Resin Craft by Me™ silicone molds are reusable. Simply fill, cure and pop out your custom resin piece. Directions: 1. On a protected surface in a well-ventilated space, prepare resin as directed, add any pigments or inclusions and pour into mold. 2. Layer inclusions if desired. 3. Leave filled mold on a level surface and cure as directed. For best results, place a cover over mold while curing to keep dust and other particles out. Wash with gentle soap and warm water as needed. WARNING: Not intended for children age 12 and under.