Quality material: made of high quality natural wood cork with sticky on the back, which is durable and sturdy, not easy to 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, 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 on 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 a little different from the real thing. The measurement allowed error is +/- 1-3cm.