COLDEST 46oz Limitless Ultra v8

Meet COLDEST 46oz Limitless Ultra v8 — the max-capacity cold beast 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 all-day hydration with the fewest refills. Includes 3 lids — Sports, Sip, and Chug, plus a fruit infuser.

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

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 3 lids — Sports, Sip, and Chug.
• Pro-grade 18/8 stainless steel — no metallic taste, no sweat.
• Fruit infuser included.
• Compatible with COLDEST wide-mouth lids & CIRKUL lids.

Size & Fit

• Capacity: 46 oz
• Best for: all-day hydration with the fewest refills
• Fit: fits cupholders

Specs & Dimensions

• Capacity: 46 oz
• Material: 18/8 pro-grade stainless steel, BPA-free lids
• Insulation: Triple-wall vacuum — up to 36+ hrs cold / 13+ hrs hot
• Lids: 3 lids — Sports, Sip, and Chug
• 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.