Christmas Nativity scene mug clay stamp 2.5×2.5 size perfect for a mug. Mug clay stamps are for fired clay. Great for handbuild pottery. Clay handbuilders will have fun using this design on mugs, coasters and other ceramic items. Stamps with with earthenware clay, stoneware clay, porcelain clay, and polymer air dried clay. Stamp is 2.5×2.5 perfect size for mugs, ornaments and coasters. Works with great for any type of clay. Can also be used to imprint soaps. Printed with a 3D printer using PLA filament. Spraying lightly with non-stick spray may help if you have issues with the stamps sticking to the clay. Cornstarch can also be used to prevent sticking. Mug stamps are sized to fit in the middle of the coaster texture designs so you can mix and any mug stamp with any of our line of coaster stamps. Do not use in dishwasher or microwave to prevent warping or melting. NOTICE: STAMP COLOR MAY DIFFER FROM WHAT IS PICTURED.