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 in the Tim Holtz Stamp Storage Binder also sold separately . This package contains an assortment of cling rubber stamps mounted on an 7x8.5 inch backing sheet. Comes in a variety of designs. Each sold separately. Made in USA.