Quality material: made of high quality natural wood cork with sticky on the back, which is durable and sturdy, not easy to break and soft to Contact, convenient to use in Coaster design: the cork coaster has anti- surface and good adhesion on the back, with pure wood color without any pattern, has the effect of heat insulation Product size: each cork coaster measures . 3.9 inches in size, almost 1 mm/ 0.04 inches in thickness, proper size allow you place cup or glass on it Wide range of usage: can be applied in office, school and home, the surface is and can be written; the color of the wood makes the writing feel elegant and chic, you can diy your imagination on its surface to make your cork coaster more attractive Package contents: 60 pieces of Hexagon cork square sheets, number to use for a long time in 60 pack self-adhesive cork coasters squares and cork round cork mats tiles backing sheets for coasters and supplies Specifications: Color: Wood Material: Cork Package Contents: 60 * Self adhesive Cork coaster Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.