20 oz Tumbler Double Wall Vacuum Insulated - Keeps Hot & Cold

In this review the 20 oz tumbler by Eyasure is examined for everyday commuters, parents packing drinks, and anyone who wants a reliable insulated cup. The bottom line: this tumbler is best for people who need a durable, rust resistant travel cup that actually preserves temperature, since the double wall vacuum insulated design keeps drinks hot for hours and cold for much longer. It is a straightforward, practical choice for routine use and personalization projects like laser engraving or vinyl decals.

Key Features

• Premium material: Made from 18/8 food grade 304 stainless steel, the body is corrosion resistant and built for repeated daily use.
• BPA free lid: Comes with a transparent, no BPA lid so users can see contents while avoiding unwanted chemicals.
• Temperature retention: Double wall vacuum insulation holds hot drinks for over 3 hours and cold drinks for over 9 hours, making it useful for commutes and outdoor activities.
• Powder coated finish: The non-toxic frosted powder coat resists wear, accepts laser engraving and vinyl decals, and comes in a range of colors for personalization.
• Car cupholder fit: The smooth 20 oz shape fits most car cupholders and is easy to grip for travel.

Who It's For

This tumbler suits commuters, students, and parents who need a reliable insulated cup that travels well and resists rust. The combination of 18/8 stainless steel and vacuum insulation means it performs for both hot coffee in the morning and cold water during the day.

Those who want a very large capacity or a more specialized lid system should look elsewhere; several customers mentioned the cup is not very big and a few found the lid less durable than the metal body. If you need a drink container that holds substantially more than 20 oz or a leakproof threaded lid, consider other options.

Pros & Cons

Pros

• Durable 18/8 304 stainless steel construction is rust resistant and long lasting.
• Effective insulating value keeps cold drinks over 9 hours and hot drinks over 3 hours.
• Powder coated exterior is suitable for customization and retains color well.
• Smooth shape fits most car cupholders and is easy to hold during travel.

Cons

• Some customers report mixed lid quality, with one saying the lid broke after two months.
• At 20 oz, the tumbler is not as large as some users expect if they want extra capacity.

Specifications

Our Verdict

The Eyasure 20 oz tumbler is a sensible, well made insulated cup that delivers solid temperature retention and a durable stainless steel shell at a reasonable value. Buy it if you want a customizable, travel-friendly tumbler for everyday coffee and cold drinks; skip it if you need larger capacity or a more heavy duty lid system.

Frequently Asked Questions

How long does it keep drinks hot or cold?
Hot beverages stay warm for over 3 hours and cold beverages remain chilled for over 9 hours thanks to the double wall vacuum insulation.

Is the lid BPA free and replaceable?
The included transparent lid is labeled no BPA; customers should check fit and handle gently since some reported lid durability issues.

Can this tumbler be personalized?
Yes, the non-toxic frosted powder coat accepts laser engraving and vinyl decals and comes in multiple colors ideal for customization.