Features: 1.Great quality made of durable rubber material, healthy and do not stimulate your skin ! 2.It can be used repeatedly after cleaning or washing with water and return to carrier to avoid losing pieces. 3.Ideal for adding distinctive stamped embellishments to handmade cards, scrapbook pages or other paper craft projects. How to use: step 1. Simply peel stamp from transparent sheet and apply to an acrylic block step 2. Apply ink to stamp step 3. Position image onto desired surface and press down firmly step 4. Can be cleaned up with water Note: 1, Due to manual measurement, there may be errors in size, please understand！ 2, The stamps includes some small size pieces, children need to be accompanied by adults. Keep sure pieces away from little kids to avoid swallow！