The silicone is made of material and it is easy for using and cleaning. It is and easy to use, no smell, , , durable, impermeable, easy to clean, to health. You can share more time with families, make unique notebooks and bookmarks and other resin jewelry projects with lovers friends or kids. Feature - Color: White - Material: Silicone. - Size:23.00X18.00X0.50cm/9.04X7.07X0.20in -Note:These products are random style. - The pack includes 1pc A5 silicone , 1pc A6 silicone , 1pc A7 silicone , 6pcs silver rings, 3pcs silicone bookmark molds with shapes of rectangle, mermaid tail and cat claw, and 1 pair of loose leaf binder rings. - Flexible durable reusable, durable high transparency, easy to use and clean. - These casting molds are with smooth and shiny interiors, it can be easily popped out of the silicone molds once the finished works are fully cured. - Great for making specimen, coasters, paperweights, soap dishes, wall decoration, bowl mat, home decoration, etc. - Art is making our spare life more creative, It' s such a versatile option that people are joining in this group to create all different kinds of resin projects. - Warm Tip: Dear buyer, due to lighting effect, monitor's brightness, manual measurement, etc., there could be some slight differences in the color and size between the photo and the actual item. Sincerely hope that you can understand! Thank you! Package list: 11 x Molds