1, Muilti-function,also can be open bottle. 2,Material:18/0,18/8,18/10. 3,Product size:8.5*8.5cm 4,Back is EVA,anti-skiding Stainless steel cup coaster(Muilti-function) 1, Muilti-function,also can be open bottle.2,Material:18/0,18/8,18/10.3,Product size:8.5*8.5cm4,Back is EVA,anti-skiding Stainless steel cup coaster(Muilti-function)