Silicone material is , reusable and flexible high mirror effect, which can resile instantly after pull or pinch the mold processing is delicate, the inside is smooth, so the bookmarks products are smooth and flat, not appear uneven The design of pin in the mould, make the pendant produced with hole, you can get across with string or chain, perfect for bookmarks or other pendant Perfect for a beautiful bookmark, handbags, car charms or use finished jewelry to decorate your room, DIY into your favorite type, or send to your friends as a gift Working temperature ranges from -40 Celsius to 230 Celsius, safe to use in ovens, micro-waves, refrigerators and so on