304 stainless steel liner lightweight design, lighter and more insulated. No tea scale, easy to clean.
Good sealing performance, no leakage. Not afraid of inversion, the use of sealed silicone ring, more convenient to go out. The bottom of the cup is concave and convex to reduce contact with the tabletop.
Direct drinking cup mouth, food-grade material, healthy and hygienic.
Long-term heat preservation and cold insulation, warm forever, not afraid of cold winter effect.