Quality material: made of quality cork with sticky on the back, which is durable and sturdy, not easy to break and soft to touch, convenient to use in daily lifeCoaster design: the cork coaster has anti-slip surface and good adhesion on the back, with pure wood color without any pattern, has the effect of heat insulationMeasurement: each cork coaster measures approx. 9.6 x 9.6 cm/ 3.78 x 3.78 inches in size, almost 1 mm/ 0.04 inches in thickness, proper size allow you place cup or glass on itWide range of usage: can be applied in office, school and home for reaching the effect of resist the hot temperature, also can work as decorative gadgets, make your room full of vintage feelingPackage contents: 150 pieces of cork round sheets, large number for you to use for a long time in daily life