Smart coffee cup and thermos (food grade) Non-slip, wear-resistant, stable, quiet, durable, silicone seal, safe and hygienic, not easy to leak Can hold hot and cold drinks Ideal winter gift for family and friends, Christmas gift Stylish cup-shaped round body, silicone rubber ring, leak-proof, easy to carry, food-grade stainless steel inner and outer steel, vacuum temperature lock, enhanced heat preservation effect, easy to operate and carry, more convenient, and leak proof, easy to go out.