Made of high borosilicate glass which is a kind of low expansion rate, high temperature resistance, high strength, high hardness, high transmittance and high chemical stability; The cap is made of high quality stainless steel, and seals are made of food - grade silicone material, BPA free, eco-friendly, safe and non-toxic.
Anti-hot design: the nylon sleeve that comes with the bottle insulates very well and protects from the hot glass. It makes easier to grip against falling off and effective protect glass body from damage.
Perfect for travel, sports, gym, school, office and home! Great gift for kids daughters students!
Packing: 1pcs/opp bag