Made of Borosilicate Glass, Food Grade PP + 304Stainless Steel + Silicone Gel + Nylon, thicken rim and bottom, environmental and healthy, bring you a easeful life.
Portable leakproof sleeve, soft and comfortable touch feeling, convenient to take out. A perfect match with your bag, cloth.
Glass is thickening Leak-proof design, high borosilicate glass is pure manual blowing to make Heat; resistance and corrosion resistance are higher than the ordinary good choice for homework, and outdoor The.
Double-layer glass design, temperature resistant -20 ° C-120 ° C.