Buy the Stampers Anonymous Tim Holtz® Holiday Postmarks Cling Stamps Set at Michaels. com. These red rubber stamps come mounted on cling foam so you can use them with any acrylic block (sold separately). 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).Detail