Inkadinkado-Stamping Kit:Cork Coaster. Add a unique look to your home decor with this fun cork coaster kit. You can use the stamps over and over again for any project. This package contains four 4 inch round coasters, two stamps mounted on two inch blocks, two acrylic paint pot, two paint applicator and instructions. Non- toxic. Conforms to ASTM D-4236. Imported.