Features: brand new and high quality Made of high-quality silicone material, environmentally friendly, low-carbon, recyclable, non-toxic, flexible, and durable. It is soft and not easily deformed, and can be pulled at will. It is very suitable for making crystal epoxy resin crafts. The non-stick silicone mold releases the polymer shape easily, and the mold will not break. Easy to demold and the mold texture is clear. You can add glitter, mica powder, liquid resin dyes, dried flowers, cards with cute/pretty patterns or other for creative accessories in the resin to make your creation more diversified. It is resistant to cold and high temperature, and the applicable temperature range is -40°C to 200°C. It can be washed with water and can be reused for a long for time. Specifications: Material: Silicone Style:A7/A6/A5 Size:A7:Approx. 13x9.5 for cm/5.11x3.74 in A6:Approx. 18x11 for cm/7.08x4.33 in A5:Approx. 23x18cm/9.05x7.08 in Package Includes: 1x Notebook Cover Silicone Mold note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.