[ size] : cork backing for coasters, diameter 4 inch x 4inch thickness 0.078 inches (10x10x0.2cm) ,Suitable for most coasters DIY craft projects [ material]: cork backing made of cork, back with a strong adhesive, durable, soft feel, not easy to break. Natural cork has a good texture, no odor, non-slip surface, used on the back of tiles [Multifunctional cork coaster]:You can write on the cork backing surface with a marker to create your unique pattern,It can also be used to decorate background wall tiles and other DIY crafts, graffiti, decals, sofa footpads, etc [Widely used]: These cork for coasters can be easily cut into any shape you want, perfect for DIY coasters, and can also be used on a wide variety of items above Colour:As Shown Material:wooden Package Contents: 150 x cork backing or 100 x cork backing Only the above package content, other products are not included. Note: Light reflection 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.