Welcome to ShopLouiseCrafts. Custom acrylic stamp can be used on clay, soap, or even candles. Engraving your own stamp on the craft will make it very special. I offer very good quality products, please rest assured to buy. You can choose the size you prefer according to your pottery sizes. This stamp can also be used on clay, ceramic, polymer clay, soaps, and dough... this is not a stamp for use with ink. △ After making the clay into your favorite shape, press the stamp gently for 3-5 seconds to finish.Easy to use △ You can use this to create your own design, your own logo, just send me your logo and we will make this Stamp for you. How to order: You should send a high-resolution black and white logo in JPEG, PNG or a VECTOR file in PDF format via Etsy messages after purchasing. refund policy If there is any quality problem with the product, I will remake it or refund it to you, please rest assured to buy! If you have any questions, please feel free to contact me.