Leave a hole on the film, so you can infuse baby oil or water into it.
DIY Double Heart Silicone Molds ● Fun DIY Craft: This shaker silicone molds can help you make resin works with quicksand effects; suitable for making interesting crafts and toys for kids; and also ideal as gifts for friends and family. Finally, paste the hole..Temperature Limit: This mold permitted useful temperature range is between -20℃ to 200℃.