ThermoFlask Double Wall Insulated 32 oz Tumbler - Keeps Drinks Cold

In this review of the ThermoFlask 32 oz insulated tumbler, the bottom line is straightforward: this is a solid choice for anyone who needs a large, durable cup that keeps drinks cold for extended periods. Built from food grade stainless steel with double wall insulation, the tumbler is designed for day-long outings, long commutes, or busy days at home. The single biggest reason to buy is its proven ice retention and practical design - customers report cold drinks for 24 to 36 hours and appreciate the removable handle and sturdy construction.

Key Features

• Double wall insulation: Keeps beverages cold for up to 24 hours, which is useful for long trips or shifts.
• Food grade stainless steel: Durable interior resists flavors and makes the tumbler suitable for water, iced coffee, or smoothies.
• Handle and straw lid: The removable handle and included straw lids make the 32 oz cup easy to carry and sip from on the go.
• Standard and wide straws: Two straw sizes are included so you can sip thin drinks or thick smoothies without swapping lids.
• Powder coated finish: Provides a grippy, sweat proof exterior that resists scratches and keeps the cup comfortable to hold.
• Silicone bumper: Prevents the tumbler from sliding and offers extra protection when placed on surfaces.

Who It's For

This tumbler is ideal for commuters, outdoor enthusiasts, parents, and anyone who prefers a large-capacity drink container that stays cold through a long day. The handle and straw lid make it convenient for walks, gym sessions, and vehicle cup holders, while the durable build stands up to daily use.

Those who want a smaller, pocketable bottle or need hot-beverage performance should look elsewhere; this design emphasizes cold retention and large volume rather than compact portability or insulated hot drink features.

Pros & Cons

Pros

• Excellent ice retention reported by users, often keeping drinks near icy for over a day.
• Sturdy build quality with food grade stainless steel and a powder coat that resists sweat and scuffs.
• Functional design with a removable handle, silicone bumper, and two straw sizes for versatile sipping.

Cons

• At 32 oz the cup is large and can be bulky for some cup holders or for users seeking a compact bottle.
• The focus on cold retention means users who primarily want hot beverage insulation may prefer a different style.

Specifications

Capacity	32 oz
Material	Food grade stainless steel
Insulation	Double wall insulated
Lid	Straw lid with standard and wide straws
Finish	Powder coated, sweat proof
Handle	Removable handle included
Extras	Silicone bumper to reduce sliding

Our Verdict

The ThermoFlask 32 oz double wall insulated tumbler is a reliable, well-made option for anyone needing long-lasting cold retention in a large cup. With thoughtful touches like a removable handle, two straw sizes, powder coat finish, and a silicone bumper, it delivers good value for everyday use and outdoor activities.

Frequently Asked Questions

How long will this tumbler keep drinks cold?
Users commonly report cold retention of 24 to 36 hours for iced drinks thanks to the double wall insulation.

Does it include different straw sizes?
Yes, the tumbler comes with both standard and wide straws to accommodate thin drinks and thicker smoothies.

Is the handle removable?
The handle is removable, which makes the cup easier to fit in tighter spaces when needed.