Place clear silicone stamps precisely in dot journals, scrapbooks, and craft projects with these clear acrylic blocks! Set of 6 blocks. Grid lines make positioning even more accurate. Blocks have straight edges. Acrylic material cleans easily with soap and water. Block measurements: 15/16'' square, 1-3/16'' square, 1-1/2'' square, 1-15/16'' square, 2-15/16'' square, 1-15/16'' wide x 5-7/8'' high. Each block is 5/15'' thick. Polybagged set package measures 5'' wide x 8'' high.