Come and see our amazing products. This folding coffee mug is made of food grade silicone material. Food grade platinum silica gel and food grade PP material, no bisphenol A, non-toxic and odorless. Portable and foldable design, easy to carry, inverted, dumped, no leakage. You can customize your logo, large quantity favorably. Pls confirm further with us if any query about packing info, inventory status and time schedule.