* the size is manual measurement and there may be errors.
Material: cardboard (double-sided coated) *Professional coaster customization factory.
Size: 10 * 0.3 CM, 17 g *any question,please feel free to contact with us.
Knowledge: do not wash, use properly, one can take a long time.
Cardboard material, double-sided coated. We are the manufacturer of strict quality standard, although it is only a small cardboard cup cushion, it is not so easy to do this kind of work. Double - faced matte film can effectively isolate the water from the bottom of the cup. She put a cup on her desk and put it on her desk for two or three months. No problem at all.