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Coldest 20 oz Tumbler v2

Irises Ultra / 20oz
4.8
Rated 4.8 out of 5 stars
1,061 Reviews
$30 $40SAVE 25%
36+ Hours Cold | 100% Leakproof | Cupholder Friendly

16 in stock
🔒 Secure Checkout ↩️ 30-Day Easy Returns ⚡ Ships Within 24hrs
Original Design
Built To Last
Free Shipping & Returnsover $125
Secure Checkout
Description

Meet Coldest 20 oz Tumbler v2 — the everyday tumbler from COLDEST. Triple-wall vacuum insulation and pro-grade 18/8 stainless steel keep drinks ice-cold for up to 36+ hours and hot for 13+, with no sweating and no metallic taste.

It's 100% leakproof so it's safe in any bag, fits cupholders, and built for quick, on-the-go coffee, tea, and powder mixes. Includes a sliding tumbler lid.

Make it yours with Personalize, and it's compatible with COLDEST wide-mouth lids and CIRKUL lids.

Details

Key Features

  • Up to 36+ hours cold / 13+ hours hot — triple-wall vacuum insulation.
  • 100% leakproof lid — bag-and-backpack safe.
  • Fits cupholders with a non-slip base.
  • Includes a sliding tumbler lid.
  • Pro-grade 18/8 stainless steel — no metallic taste, no sweat.
  • Compatible with COLDEST wide-mouth lids & CIRKUL lids.

Size & Fit

  • Capacity: 20 oz
  • Best for: quick, on-the-go coffee, tea, and powder mixes
  • Fit: fits cupholders

Specs & Dimensions

  • Capacity: 20 oz
  • Material: 18/8 pro-grade stainless steel, BPA-free lids
  • Insulation: Triple-wall vacuum — up to 36+ hrs cold / 13+ hrs hot
  • Lids: a sliding tumbler lid
  • Fits cupholder: Yes

Care & Warnings

  • Hand wash only to protect the finish.
  • Do not freeze or microwave.

Small parts — choking hazard; not for children under 8 without adult supervision. Use extreme caution with hot liquids; pressure can build with altitude changes.


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.

Cold that outlasts your day.

From the first pour to the last sip, the 20oz Limitless holds its temperature — up to 36+ hours cold and 13+ hot — so your drink is exactly how you like it, all day long.

Hours of cold
Triple-wall vacuum insulation keeps drinks cold up to 36+ hours and hot 13+, with no sweat.
100% leakproof
A fully sealed lid that's safe in any bag, purse, or backpack — no drips, no mess.
Made to fit your life
Fits cupholders, with a sliding tumbler lid so one bottle covers every drink.
4.8
Rated 4.8 out of 5 stars
Based on 1,061 reviews
Total 5 star reviews: 953 Total 4 star reviews: 57 Total 3 star reviews: 36 Total 2 star reviews: 4 Total 1 star reviews: 11
95%would recommend this product
Slide 1 selected
1,061 reviews
  • Rated 5 out of 5 stars
    11 months ago
    Cute

    Holds ice for 3 days! Love it!

    JT
    Jasmine T.
    Verified Buyer
  • Rated 5 out of 5 stars
    1 year ago
    20oz tumbler

    Perfect size for my coffee love these cups!

    DS
    Dawn S.
    Verified Buyer
  • Rated 5 out of 5 stars
    1 year ago
    Best coffee cup ever!!

    It's the perfect size, fits in my cup holder, keeps my coffee nice and hot until it gone. The leak proof lid is a definite plus too.

    AF Profile picture for Andrea F.
    Andrea F.
    Verified Buyer
  • Rated 5 out of 5 stars
    1 year ago
    Coffee cup

    Keeps my coffee hot down to the last sip!

    MB Profile picture for Max B.
    Max B.
    Verified Buyer
  • Rated 5 out of 5 stars
    1 year ago
    tumbler

    This is absolutely the best coffee tumbler around. I will be buying more when they are back in stock.

    KD Profile picture for Karla D.
    Karla D.
    Verified Buyer
  • Rated 5 out of 5 stars
    1 year ago
    Coldest 20 Ounce Tumbler

    The 20 ounce tumbler is perfect for my cold brew coffee. Looking forward to many more Coldest purchases.

    LM
    Lisa M. S.
    Verified Buyer
  • Rated 5 out of 5 stars
    1 year ago
    ANOTHER AWESOME PRODUCT

    I love my coffee to stay hot and every cup I have always loses the heat after some time elapses. I wanted to try the Coldest as I am a HUGE fan of these products for my icy needs and am so glad I did! I wish there were more color options when I bought my newest Coldest edition but the yellow isn't too bad and it's the product that counts and I am beyond pleased again with my Coldest cup! HIGHLY RECOMMEND !!! ( you can see i also have my 32oz with it!)

    LM
    Laurie M.
    Verified Buyer
  • Rated 5 out of 5 stars
    1 year ago
    Tumblers

    These tumblers keep my coffee hot for hours, even with the plastic lid! They’re redesigning them in 2025, and I cannot wait to purchase another upgraded version!!

    KH
    Kathryn H.
    Verified Buyer

Frequently Asked Questions

How long does the Coldest 20 oz Tumbler v2 keep drinks cold?
Up to 36+ hours ice-cold and 13+ hours hot, thanks to triple-wall vacuum insulation.
Is it leakproof?
Yes — the lid seals 100%, so you can toss it in a bag or backpack without spills.
Does it fit in a cupholder?
Yes — the non-slip base fits cupholders.
What lids are included?
It includes a sliding tumbler lid, and it's compatible with COLDEST wide-mouth lids and CIRKUL lids.
Is it dishwasher safe?
We recommend hand washing to protect the finish. Don't freeze or microwave the bottle.
What is it made of?
Pro-grade 18/8 stainless steel that's BPA-free — no metallic taste and no sweating on the outside.
Can I personalize it?
Yes — use the Personalize option near the top of the page to add your custom touch before adding to cart.
What's your return policy?
Risk-free returns — if it isn't the right fit, send it back, no hassle.