Tim Holtz Cling Mount Stamps: Moth StudyThese stamps are mounted on 1/8" gray static cling cushion for accurate positioning, ease of repositioning, and convenience of storage.Thirty deeply etched red rubber cling mount rubber stamps that adhere to any clear acrylic block. We highly recommend using them with Tim Holtz Grid-Blocks.Moths are similar in size, the largest measures approximately 2" x 1 1/4".