This stamp from Picket Fence Studios is so appropriately named, "Raining Envelopes", as it certainly seems to be doing that. This is a clear photopolymer stamp which adheres well to acrylic blocks (sold separately). This can be used as a full background stamp or used as a partial background. This stamp could be embossed to give it added dimension or used with your favorite inks or markers to create a rainbow of envelopes (sold separately). This stamp measures 1.75" x 2.75". this stamp is made in the USA.