Insulation Performance: The double-walled vacuum technology is designed to maintain temperatures for up to 12 hours for both hot and cold liquids.
Material: Constructed from high-quality 304 food-grade stainless steel, which is rust-proof, odor-free, and durable.
Design: Most sets feature a leak-proof lid with a one-handed push-button pouring spout and a non-slip silicone base to prevent sliding.
Portability: The compact design makes these sets suitable for outdoor activities like camping and hiking, as well as office or school use.