- Gourmet Rubber Stamps-Cling Stamps. The makers of high-quality rubber stamps and products for the craft industry. This delicious line of product is sure to inspire creativity in all who use them! High-quality stamps with deeply-etched rubber backed on 1/8 inch thick cling mounting cushion. This package contains Fourth Of July Background: one 4-1/2×4-3/4 inch cling rubber stamp. Made in USA.