Simply peel the stamp from the transparent film and apply it to an acrylic block (not included), Apply ink to the stamp. Then stamp to the paper or card, let them air-dry, finally a perfect work is accomplished. Safe Material: Clear stamps made of environmental silicone material, healthy, non-toxic, tasteless and anti-corrosive will not stimulate your skin. It is soft ,textured, not easy to break or deform, allowing you to use for a long time. DIY Delicate Handicrafts: The clear stamps is a fantastic design for Christmas,Birthday,Valentine's Day,Wedding card making, diary or envelopes decorations,album frame, invitations, etc. Lovely Gifts: It is a great choice to DIY gifts for friends and family,to give them a big surprise! You can also give full play to your imagination and design these silicone clear stamps. Enjoy a happy leisure time with your family and friends! Easy to Use: Simply peel the stamp from the transparent film and apply it to an acrylic block (not included), Apply ink to the stamp. Then stamp to the paper or card, let them air-dry, finally a perfect work is accomplished. Works Great with Any Inks: The Clear Stamps work great with any inks (dye, pigment,etc) on any surface (paper, fabric or plastic).