Happy Birthday Sweetheart (4"x7") Clear Stamps Sheet / Vintage Greetings Wishes Retro Stamp sheet measures 4" x 7" (10x18cm). Total over 10 separate stamps. Made in New Zealand from special last generation photopolymer Works great with any inks (dye, pigment, oil) and any clays on any surface (paper, fabric or plastic). Easy to clean without restrictions. We give lifetime warranty for all our stamps and replace it for a free at any claims.