Inkadinkado Expressions Mini Clear Stamp 3-Pieces; Clear stamp sheet size: 2-1/2-inch by 2-1/2-inch Self clinging and repositionable - can be used over and over again for versatile stamping Requires clear acrylic mounting block to use Slim design for easy storage 3 pieces includeds; Clear stamp sheet size: 2-1/2-inch by 2-1/2-inch Self clinging and repositionable - can be used over and over again for versatile stamping Requires clear acrylic mounting block to use Slim design for easy storage