COLDEST 15oz Limitless Ultra v8 The Persian
The Persian Ultra / 15oz
Up to 36+ Hours Cold* · Lid designed to seal tight · Cupholder Friendly
Original Design
Built To Last
Free Shipping & Returnsover $125
Secure Checkout
Description
Meet the COLDEST 15oz Limitless — the perfect coffee & tea cup for anyone who wants one cup that does it all. Triple-wall vacuum insulation and pro-grade 18/8 stainless steel keep your coffee and tea piping hot for 13+ hours and cold brew or water ice-cold for up to 50+ hours — with no metallic taste and no sweating on the outside.
It’s engineered for real life: 100% leakproof so it’s safe in any bag or backpack, an ergonomic handle sized to fit your hand, and a base that drops straight into your cupholder. Versatile, leakproof, superior functionality — zero fuss.
Make it work for every drink with three included lids — Coffee, Sip, and Chug — plus the Blendinator attachment for shakes, pre-workout, and powder mixes. From your morning brew to a post-gym smoothie, the 15oz keeps up. Personalize it to make it yours, and it’s compatible with COLDEST wide-mouth lids and CIRKUL lids too.
Details
Key Features
- Up to 50+ hours cold / 13+ hours hot — triple-wall vacuum insulation.
- 100% leakproof lid — bag-and-backpack safe.
- Ergonomic handle sized to fit your hand; fits cupholders.
- 3 interchangeable lids — Coffee, Sip, Chug — plus the Blendinator for shakes & mixes.
- Pro-grade 18/8 stainless steel — no metallic taste, no sweat.
- Compatible with COLDEST wide-mouth lids & CIRKUL lids.
Size & Fit
- Capacity: 15 oz
- Handle: ergonomic, sized to fit your hand
- Fits standard cupholders
Specs & Dimensions
- Capacity: 15 oz
- Material: 18/8 pro-grade stainless steel, BPA-free lids
- Insulation: Triple-wall vacuum — up to 50+ hrs cold / 13+ hrs hot
- Lids: 3 included (Coffee, Sip, Chug) + Blendinator
- Handle: ergonomic, hand-fit; fits cupholders
Care & Warnings
Care:
- Hand wash only to protect the finish.
- Do not freeze or microwave.
Warnings:
Choking hazard: small parts — not for children under 8; use with adult supervision. Hot liquids: use extreme caution — changes in altitude or pressure can cause buildup and unexpected eruption.
Shipping & Returns
- Free 1–5 day US shipping on orders over $125.
- Ships in 1–2 business days.
- Risk-free returns — try it and see.
Frequently added
Customers often grab these with their 15oz Limitless.
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One bottle. Every drink. All day.
Morning coffee, midday pre-workout, ice water all afternoon — the COLDEST 15oz Limitless keeps up with every pour. Triple-wall vacuum insulation holds your drink cold for up to 50+ hours and hot for 13+, and the 100% leakproof lid means you can drop it in your bag and forget about it.
Hot or cold, for hours
Up to 50+ hours cold and 13+ hours hot, with triple-wall vacuum insulation that never sweats.
100% leakproof
A fully sealed lid that's safe in any bag, purse, or backpack — no drips, no mess.
Made to fit your life
A hand-fit ergonomic handle, cupholder-friendly base, and 3 lids (Coffee, Sip, Chug) plus the Blendinator.
COLDEST 15oz vs. the rest
How it Stacks Up
Your coffee and tea cup: hot all morning, cold all day, three lids and a handle.Tap any feature for the details.Hover any feature for the details.
| COLDEST 15oz | Others | |
|---|---|---|
| Cold 36+ hours
Rated 36+ hours ice-cold with the Chug lid closed, thanks to triple-wall vacuum insulation. A plastic bottle has no insulation, so ice is gone in hours. | ||
| Hot 13+ hours
Coffee, tea and cocoa stay hot 13+ hours. Hot liquids build pressure: open the lid slowly, pointed away from you. | ||
| Leakproof lids
The Chug lid is 100% leakproof when closed, so it can ride in a bag. The Coffee and straw lids are made for sipping upright. | ||
| 3 lids in the box
A Coffee lid for hot drinks, a Sip (straw) lid with the Bunker, and a Chug lid with the Blendinator, which twists on to turn it into a shaker. | ||
| Built-in carry handle
An ergonomic handle sized to fit your hand, so even a full bottle is easy to carry. If it ever loosens, snug the two small screws under it. | ||
| Fits standard cupholders
The base drops into standard car, stroller and desk cupholders. In a tight console the handle can bump the trim: turn it toward the open side. | ||
| No sweat, no metal taste
Pro-grade 18/8 stainless steel with BPA-free lids: the outside stays dry and drinks taste like drinks. Plastic sweats with ice and can hold on to flavors. | ||
| New designs every Thursday
New colors and art drop every Thursday at 9:45am ET, in limited runs. Glow designs charge in daylight or under a lamp and glow after dark. | ||
| Laser engraving available
Add a name or short phrase (up to 25 letters and numbers) with Personalize, above the add to cart button. Allow 3 to 5 extra business days. | ||
| Limited lifetime warranty
Covers manufacturer defects, temperature retention and the leakproof guarantee on drinkware bought at coldest.com. Wear and tear, drop dents and misuse are not covered. |
Product FAQ: Answers from COLDEST
Can I use it for hot coffee or tea?
Yes. It keeps drinks hot for 13+ hours. It's made as a coffee and tea cup, with a Coffee lid in the box. Use care with hot liquids: pressure can build inside, so open the lid slowly and pointed away from you.
How long does the COLDEST 15oz keep drinks cold?
Up to 36+ hours ice-cold with the Chug lid closed, thanks to triple-wall vacuum insulation. For the longest cold, fill it with ice first, top it up with cold (not room-temperature) water and keep the lid closed between sips.
Why is my ice melting faster than I expected?
Hold times assume a bottle packed with ice and a closed lid. An open straw lid, a bottle that's mostly water, or a refill of room-temperature water all shorten them. Fill it with ice first, top it up with cold water and keep it closed. If your bottle still doesn't hold cold like it should, contact our team.
Is it leakproof?
Yes, with the Chug lid closed: it's 100% leakproof, so it can ride in a bag or backpack. Screw the lid on until it stops. The Coffee and Sip (straw) lids are made for sipping upright.
What lids come with it?
Three: a Coffee lid for hot drinks, a Sip (straw) lid with the Bunker, and a Chug lid with the Blendinator.
See all 34 FAQs
What's the Blendinator?
A shaker insert: twist it onto the bottom of the Chug lid to mix protein, pre-workout and powder drinks right in your 15oz.
Will the 15oz fit my car's cupholder?
Yes. The base fits standard car, stroller and desk cupholders. In a tight console the handle can bump the trim, so turn it toward the open side.
Which size should I get?
15oz: your coffee and tea cup. 24oz: the lighter everyday bottle. 36oz: the original all-day size. 46oz: the most water per fill that still fits a cupholder. 1 Gallon: a full day of water in one fill (too big for cupholders). Every size has a carry handle.
What if the handle feels loose?
There are two small screws under the handle. Tighten them clockwise with any small screwdriver until snug; don't overtighten. If it still won't hold, contact our team.
Is it dishwasher safe?
We recommend hand washing to protect the finish and the insulation: printed, glitter, glow and glossy designs are not dishwasher safe. Wash the bottle and lids with warm soapy water. To deep-clean a lid, soak it for 30 minutes in warm water with a little dish soap or vinegar, rinse, and air-dry it open. Never freeze or microwave the bottle.
Does it work with CIRKUL flavor cartridges?
Yes. The Limitless handle bottle fits CIRKUL lids, as well as COLDEST wide-mouth lids.
How do the Glowie designs glow?
Glowie finishes charge in daylight or under a lamp and glow softly once the lights go out. The glow fades through the night and recharges the next day.
How often do new designs drop?
New colors drop every Thursday at 9:45am ET, in limited runs, and popular designs sell out fast.
Can I personalize it?
Yes. Choose Personalize above the add to cart button to laser-engrave a name or short phrase: up to 25 letters and numbers, no special characters. A few finishes can't be engraved, so the option hides on those designs. Personalized orders need 3 to 5 extra business days, and they're made just for you, so double-check the spelling before checkout.
What is it made of?
Pro-grade 18/8 stainless steel with triple-wall vacuum insulation and BPA-free lids. No metallic taste, and no sweating on the outside.
What if it's not right for me?
Orders from coldest.com are covered by our 30-day money-back guarantee, and drinkware has a limited lifetime warranty against manufacturer defects, including temperature retention and the leakproof guarantee. Engraved, limited-edition and final-sale items have their own rules: see Warranty & Returns.
Will a sold-out design come back?
Usually not. Designs drop as limited editions and most are gone once they sell out, so if you love one, grab it while it's here. For first access to new drops, sign up for Get the Drop at the bottom of any page, or get the COLDEST app.
Why can't I find a design I saw in an ad or a post?
It has most likely sold out. Older posts and ads can keep showing a design after it's gone. Sign up for Get the Drop at the bottom of any page to hear about new designs first.
Can I pre-order a design or join a waitlist?
No. Limited designs aren't sold as pre-orders and there's no waitlist: each drop is first come, first served when it goes live, on Thursdays at 9:45am ET.
Will this design come in other sizes?
Not always. Many designs are made in only some sizes, in limited runs. To see every design that's in stock in a size, shop by size from the Drinkware menu.
Do you make a bottle without a handle?
Can I add or change engraving after I order?
No. Engraving is added on the product page before checkout, and engraving requests are final once the order is placed, so check the spelling, font and location before you check out.
Can I engrave a logo or an image?
Not with Personalize: it engraves text, in letters and numbers. For a team, business or group logo, our Custom Shop laser-engraves logos on the 36oz and 46oz Limitless, sold by the case (15-unit minimum): get a quote.
Can I preview the font and choose where the engraving goes?
Yes. When you choose Personalize you pick from 10 fonts, each with a live preview, and one of 3 locations: Horizontal Name on the front (the smaller option), Horizontal Name on the back, or Vertical Name on the back (the largest).
Will a warranty replacement be engraved?
Not after the first 30 days: a warranty replacement issued after 30 days comes without the custom engraving. If an engraved bottle has a problem within its first 30 days, contact our team.
Do I need to register my bottle for the warranty?
No. Registration isn't required: the Limited Lifetime Warranty covers eligible drinkware bought directly from coldest.com, and your order is your proof of purchase. If you ever need it, start a claim through our return portal.
What if my bottle stops keeping drinks cold?
Our Limited Lifetime Warranty covers temperature retention on drinkware bought from coldest.com. Test it first: fill it with ice and keep the lid closed. Still warming fast? Start a claim through our return portal. We may ask for photos or a short video, and approved claims are repaired or replaced.
My lid leaks or broke. What should I do?
Check that the silicone seal sits flat inside the lid and the threads are clean, then screw the lid on until it stops, without forcing it. If a leakproof lid still leaks when closed, or a lid won't latch, start a claim through our return portal with a photo or short video: manufacturer defects and the leakproof guarantee are covered. Lost lids and damage from drops aren't.
I bought it on Amazon or TikTok Shop. Is it covered?
Not by our warranty. Our Limited Lifetime Warranty and 30-day money-back guarantee cover orders from coldest.com. For a bottle bought on Amazon, TikTok Shop or from another seller, returns and claims go through that platform or seller.
It was a gift. Can I still use the warranty?
Yes, if it was bought on coldest.com. Claims need the original order, so ask the person who gave it to you for the order number or the email used at checkout, then start a claim through our return portal.
Does the warranty cover dents, scratches or peeling?
Not dents or scratches. The warranty covers manufacturer defects, including temperature retention and the leakproof guarantee, but not normal wear (scuffs, scratches, dings), damage from drops, punctures or misuse, or cosmetic marks on a bottle that still works. If paint peels or the steel rusts without a drop or misuse, start a claim with photos through our return portal and the team will review it.
What if my design is sold out when I need a replacement?
Limited designs aren't always available for warranty replacements. When yours is gone, we may send a mystery design in the same size, or a discount code toward a future order.
What if it arrives damaged or doesn't look like the photos?
Email support@coldest.com with photos as soon as it arrives. Orders from coldest.com are covered by our 30-day money-back guarantee, so the team can set up a replacement or a return.
Can I exchange it for a different design or size?
Yes, within 30 days: start at our return portal, where you can return it for a refund or exchange it for another product under our 30-day money-back guarantee. Engraved and final-sale items have their own rules: see Warranty & Returns.
