Cork Materials: Cork coasters round are made of natural softwood with sticky on the back, not easy to break and soft to , convenient to use in Fashion Design: Self Adhesive Circle Cork Tiles can be easily cut into any shape you want. You can use the whole sheet or you can cut them into small pieces. Usage: You can use markers to write on the self-adhesive Cork Coasters to creat your pattern. and can be applied in office, school and home for reaching the effect of resist the hot temperature and so on.Round cork coasters backing for DIY coasters and more.the cork-backing is also a great decorative elementsor base for potted plants. Colour:Wood color Material:cork Size:100*100*1mm Diameter: 3.94inch. Thickness: 0.04inch. Package Contents: 80*Round 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.