These red rubber stamps come mounted on cling foam so you can use them with any acrylic block. Great for using with Tim's signature distressing techniques! Stamps come on a 3-hole punched sheet for easy storage. Details: Nature's Wonder 7" x 8.5" backing sheet 14 cling stamps Rubber Use with any acrylic block (sold separately) Use with Tim Holtz Stamp Storage Binder (also sold separately)