Abundant quantity: there are 20 pieces colorful ribbons in the package, comes with 10 different colors, 2 pieces for each color, suitable to add or replace book mark ribbons in your novels or school books, large amounts for sharing with your friends and families Size information: the size of our bookmark ribbon measures approx. 36 cm/ 14.17 inches in length, they can be tucked into the spine of your books, long enough to fit for most books, ideal to replace and use Easy to use: you simply put our bookmark ribbon into your opened book, just insert it to the page you read, after applying, you can easily access to the page you read last time, provide you with much convenience Safe material: our colorful ribbons are made of quality ribbon material which has smooth and comfortable tactility, non-toxic and safe to use, durable and reliable for serving you a long range of using time Various applications: we offer you useful replacement ribbons, suitable for novel, school books and more, use different color ribbons in the same book to indicate different purposes and mark different references, suitable for personal study, talks and lesson preparation