What's in the package - The package includes 30 packs of 10 x 13 inch clear plastic dry erase pockets with a black border. Suitable for classrooms, offices, art centers, homes, schools, properties, and other work or study places Our oversized dry erase pocket sleeves measure 13inch x 10inch and are great for holding multiple sheets of different types of paper. As a ticket holder, it is easy to insert and remove paper, whether it is 8.5 x 11 inch letter size paper, or worksheets, student activity sheets, orders, work files Thoughtful design - Our paper sheet protectors has an elastic pen loop at the top to hold your pen after use, and a 0.32inch eyelet at the top for easy hanging or tying to a wall or student desk Our plastic dry erase sleeves are transparent and waterproof, and the writing on their is easy to clean, helping to save ink and paper. They are great for use as dry erase boards in the classroom and are a must for tutoring students in their courses These clear page protectors are versatile and can be used to store and organize bills and display student art. You can use dry-erase markers for annotations, drawings and children's handwriting practice Colour:Black Material:plastic Package Contents: 1 set x dry erase pockets 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.