Features 1. These page holders for books are made of quality resin, study and firm, will not break or deform easily, serviceable and reliable, can satisfy your long term needs. 2. The finger book holder with humanized design is sized to fit all books and thumbs, when using it, just put your thumb on the page holder and then put it on your pages to easily achieve one-handed reading, reducing the discomfort of your hand when reading. 3. Whether youre just getting into reading or youre an avid fan, your book page holders for reading come in a universal size, fitting all books and hands in a comfortable 4.5 x 0.6 and weighing in at only 0.8 oz, this thumb bookmark accessory does the job 4. No instruction manual needed with your lightweight reading accessories for book lovers, simply hold it under your thumb on the pages you want to keep open and read away The resin ring design of these gifts for book lovers means they stay firm on the page. 5. Perfect Reading Companion: Lightweight, smooth and comfortable. Its ergonomic design work great for keeping pages open without your thumbs getting tired. No more hand cramps from reading. Specification Material: Resin Color: Multicolor Size: 4.5 x 0.6 inch Weight: 40 g Package Include: 1x Book Page Holders