Tim Holtz cling mounted stamps: entomology fifteen deeply etched red rubber cling mount rubber stamps that adhere to any clear acrylic block. The Handwritten correspondence measures approximately 3 7/16" x 5 7/16", butterfly (upper right) measures approximately 2" x 1 3/16". stamps come on a 3-hole punched sheet for easy storage. 

Tim Holtz - Cling Mounted Stamps: Entomology