Sufficient Quantity: the package includes 30 pieces of clear plastic label holders, comes with 30 sheets of card paper; The combination is convenient to use, enough to easily meet your various demands; You can also share them with your neighbors, friends, teachers and so on Suitable Size: each bookshelf label measures approximately 20 x 13 x 2 cm/ 7.9 x 5.1 x 0.8 inches; ; not take up much space when applied Reliable Clear Plastic Material: made of quality plastic material, this bookshelf label holder is light and sturdy, not easy to break or deform, serving you for a long time; With high visibility, you can see through the words on the labels; Moveable Design: our library shelf markers allow you to place and replace at , and you can simply put labels into the markers, convenient to organize and mark more easily, which be a good helper in or at work Wide Range of Use: these plastic shelf markers are suitable for most shelves that more items frequently, which can be applied to libraries, offices, stores, schools, book stores, study rooms and more; Not only can they save your time and energy, but they can also help you put things in order Color: Transparent Color Material: Pvc Package Contents: 30 Pcs Moveable Shelf Label Holders 30*cardboard Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.