These red rubber stamps come mounted on cling foam so you can use them with any acrylic block (sold separately). Great for using with Tim's signature distressing techniques! Stamps come on a 3-hole punched sheet for easy storage. This package contains an assortment of cling rubber stamps mounted on an 7" x 8.5" backing sheet. Details: Inventor 1 design 7" x 8.5" sheet size Rubber For use with acrylic blocks (sold separately)