Double-layer stainless steel travel mug

Product information:
Style: you are 1, you are 2, sister
Liner material: 304 stainless steel
Material: 304 inside and outside
Packing specification: 19.5*9.5
Shell material: 304 stainless steel
Style: Cup with straw
Functions: portable, heat preservation, customizable
Style: American
Capacity: 20 oz