Tim Holtz Cling Mount Stamps: SpecimenStampers AnonymousThese stamps are mounted on 1/8" gray static cling cushion for accurate positioning, ease of repositioning, and convenience of storage.Eight deeply etched red rubber cling mount rubber stamps that adhere to any clear acrylic block.Butterfly (bottom) measures approximately 5 1/8" x 2 5/8", 'COLLECTION OF SPECIMENS No.3616' measures approximately 2 1/2" x 5/8".