This transparent pocket is mainly designed for children. It is easy to use, just put the worksheet into it and begin to write. Made of PVC, it is durable and washable, but we don't suggest machine wash. Easy to wipe the oil ink, can be used repeatedly. Feature - Color: As shown. - Material: PVC. - Size: Approx. 25.5 x 34.5 x 0.1cm. - The pockets are clear on both sides, so you can insert templates or worksheets that are specific to be done. - Made of PVC, it is waterproof and dirtproof. - Easy to wipe and clean, can be used repeatedly. - The pockets are sturdy and durable for long-term use. - Features a convenient marker pen holder and corner metal grommet for easy hanging. - Warm Tip: Dear buyer, Due to lighting effect,monitor's brightness,manual measurement and etc, there could be some slight differences in the color and size between the photo and the actual item. sincerely hope that you can understand Thank you