It is made from the highest quality, premium 304 18/8 food-grade stainless steel, which is unbreakable, electro polished on the inside to ensure your cups remain rust-free, and super grip colored finish on the outside.
High tech insulation methods prevent heat transfer to the outer walls of the tumbler, keeping your cold drinks ice-cold for up to 24 hours and your hot drinks scalding-hot for up to 8 hours.
Made of double stainless steel 304
Keep warm for 8-10 hours.
Leak-Proof, BPA Free
Size:380ml:14.8x8.8cm , 510ml:17.5x8.8cm
1 x Thermos Cup