SUNDAY INTERNATIONAL-Acrylic Stamping Block Starter Set. These sets of blocks for clear or unmounted stamps are a great place to start! Each set contains several shapes and sizes of clear blocks for a variety of abilities. Each block features a single beveled edge for comfort. This package contains five blocks: 4-3/4 by 7in; 4-3/4 by 4-3/4in; 2 by 2in; 4-3/4 by 1-1/2in and 1 by 1in. Made in USA.