This thermos is made of stainless steel + bamboo. Our bamboo stainless steel cup uses food-grade 304+201 stainless steel liner, double-layer vacuum insulation technology, and comes with a vacuum-sealed leak-proof cup lid to effectively keep heat. Each cup has a unique texture. Enjoy your favorite drinks such as tea, coffee, juice, smoothies, etc. It' s ideal for travel, commuting, or just enjoying your favorite drinks on the go. More details, pls email us.
