The WATERSY 30oz Tumbler is a high-quality travel mug designed to keep your beverages at the perfect temperature. This coffee cup utilizes stainless steel double wall vacuum insulation technology, which provides an excellent heat preservation effect for both hot and cold drinks. It boasts a substantial capacity of 891 ml (30 oz), which perfectly meets your hydration needs, especially while driving.

Constructed from premium 304 stainless steel, the tumbler is durable, rust-proof, and an eco-friendly choice, helping to reduce the use of disposable plastic cups. In addition, it features a leak-proof design with a well-sealed lid for convenient portability. The lid includes drinking holes for using the included straw or for drinking directly. The tumbler has a comfortable handle and a shape that allows it to be easily placed in car cup holders. Therefore, it is an ideal companion for travel, camping, sports, and road trips.