Double Wall Glass Tumbler 14-Ounce with Glass Sip Lid - Black

In this review the Tupkee 14-ounce double wall glass tumbler is presented as a reusable travel cup for people who prioritize pure taste and an elegant look. The main reason to consider it is the all glass sip lid paired with a hand blown borosilicate double wall body, which means drinks taste natural and the cup resists thermal shock better than standard glass. It suits commuters and home users who want a classy, toxin-free mug for hot or iced beverages without a plastic aftertaste.

Key Features

• All glass sip lid: Delivers a natural taste with no plastic or metal aftertaste, so beverages retain their intended flavor.
• Leak-proof silicone seal: A FDA food grade, BPA-free silicone seal helps prevent leaks while drinking and allows use with a straw.
• Hand blown borosilicate glass: Mouth-blown double wall construction offers high temperature resistance and improved durability against thermal shock.
• Double wall insulation: Keeps hot drinks warmer and iced drinks colder longer while the outer glass stays comfortable to touch and reduces condensation.
• Easy grip and stability: Silicone sleeve and anti-slip silicone base provide a non-slip hold and protect the glass when placed on surfaces.
• Easy to clean: Silicone components are removable for thorough hand washing to maintain the tumbler's appearance.

Who It's For

This tumbler is ideal for commuters, office workers, and home tea or coffee lovers who prefer a clean, untainted taste and an attractive, reusable cup that doubles as a travel mug. The glass lid and borosilicate construction will appeal to anyone worried about plastics leaching flavors or toxins into beverages.

Those who want dishwasher convenience, or who need a rugged, dent-resistant travel bottle for outdoor activities, should look elsewhere; the manufacturer specifies hand wash only and some users report mixed feedback on durability under heavy daily use.

Pros & Cons

Pros

• All glass sip lid preserves natural beverage taste with no plastic aftertaste.
• Double wall borosilicate glass provides insulation and thermal-shock resistance.
• Silicone sleeve and base offer a secure grip and stable placement on surfaces.
• Removable silicone parts make it straightforward to clean by hand.

Cons

• Hand wash only and some customers report mixed durability, so it may not suit heavy-duty travel use.
• A few users noted the lid seal or closure can be imperfect for some situations.

Specifications

Our Verdict

The Tupkee 14-ounce double wall glass tumbler is a smart buy for anyone who values taste purity, elegant design, and reasonable thermal performance in a reusable travel cup. It offers good value as a toxin-free, insulated glass mug with practical silicone protections, though buyers should accept hand washing and be aware some users report mixed long-term durability.

Frequently Asked Questions

Is the lid plastic?
The lid is all glass with a silicone seal, so there is no plastic or metal in contact with the drink.

Can it keep drinks hot for hours?
The double wall provides improved insulation, but it is not marketed as a long-term thermos; it keeps drinks warmer than single wall glass but not for many hours.

Is it dishwasher safe?
The product recommends hand washing and removing silicone parts for thorough cleaning.