Simply peel stamps from storage sheet and place on an acrylic block. Apply preferred medium to stamp. Position the stamp on paper by looking through clear block and pressing down firmly. Immediately after use, thoroughly and gently clean stamps with warm water and soap. Gently remove stamps from the acrylic block and place them back onto the storage sheet. It is just that simple! Kit includes over 15 stamps. Size: 12" x 12". Come in a variety of themes and designs. Color: Clear.