Product Features A: AS cup body made ​​of imported materials, lids made ​​of imported PP material, BPA free health and hygiene, through LFGB testing B: Unique lid, bottom of the cup seal design, absolutely leak-proof seal, can be arbitrarily placed in the bag, carry. C: humane handle design, easy to carry out. D: double anti-scalding tea warm interval E: exquisite design stainless steel tea infuser, tea has good isolation effect.