Making custom books is now a cinch with We R Memory Cinch products. Versatile enough for the trained professional & easy enough for the beginner. A must for crafting, perfect for school projects, and professional enough for the office. Notebook Cover Mold Medium- Create your very own A5 notebook easily. Silicone mold is perfect for clay, resin, and more. Measures approximately 6.13 in. x 8.75 in.