[HIGH QUALITY MATERAIL]The sheet protectors are made from high quality PET and have double sewn edges, could last for long time use. [PERFECT SIZE]These dry erase pockets have the size of 10x13 inch, perfect for protecting and reusing student worksheets and could easily hold most students' examination . [MULTICOLORS]This pack page protectors include 10 different colors dry file holders. They could be used many times without changing paper. Teachers like to use it in classroom. [ADVANTAGES]Using these dry erase pockets will much paper and money, for they are reusable, which help to protect our living environment. Writing and drawing on it is very convenient, for it's easy to erase, which could be good tool for kids to study and play. [ACCESSORIES]Every small dry erase board has a convenient marker pen holder and is equipped with an erasable pen for writing. There is also a grommet for easy hanging. Material:pet colour:Color mixing Package Contents: 50 * Dry Erase Pockets 50 * dry erase pens 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.