These stamps are perfect for decorating handmade birthday greeting cards and more. Decorate journals, scrapbook pages, and gift bags with these designs.Details:Clear4" x 7.75" (10.16cm x 19.7cm) sheet size0.33" to 2.4" (0.8cm to 6cm) stamp size range12 stampsThermoplastic rubberFor use with acrylic blocks (sold separately)Instructions:1. Peel clear stamp from acetate sheet and position on a clear block.2. Ink stamp, align with desired imprint location by viewing through clear block, make impression.