Tim Holtz Cling Mount Stamps: London SightsStampers AnonymousA vintage ode' to London. The iconic elements in this set are great for layering.Five 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.LONDON measures approximately 1" x 3 7/8", flag measures approximately 4 3/8" x 3".Stamps come on a 3-hole punched sheet for easy storage.