The bookmark holder is made of high quality skin-friendly silicone material, soft texture, does not hurt the book, the automatic bookmark is waterproof, comfortable to touch, durable, not easy to loosen and wear. This silicone automatic bookmark can automatically fix your reading position, convenient for you to open the page you read last time to continue reading; multiple styles and colors for your choice. Smart clip design bookmark can clip the pages of the book, so you can continue reading next time you open the book. They are perfect for birthday gifts, Mother's Day, Christmas, Father's Day, Valentine's Day, graduation gifts, and gifts for reading enthusiasts, teachers and students.