More Lager Size: Chair bag size is bigger can be hung on more chairs and hold more books, chair bag back size: 19 x 16.5"(49 x 42cm), name label slot size: 3.14 x 9.84"(8 x 25cm).(Note: Measuring the top size of the seat back before you purchase) Keeping Everything Organized: Chair pocket design has 3 pockets, with ample storage space, It features 1 large pocket for books, notebooks, and folders, and 2 medium pockets for small items like pencils or pens, perfect for preschool and elementary school chairs. Oxford Cloth Chair Pockets: classroom chair pockets made of Oxford cloth with strong stitching, strong and durable without tearing, can easily hold the weight of books, chair pockets can be washed repeatedly, use for a long time. Name Label Slot: The chair pocket design with a clear PVC name label slot where teachers, or parents can insert the student's name, clearly see the student's name, to ensure that things are in their bags are not easy to lose. Wide applications: Chair bags for classroom are essential for organizing student classroom supplies with ease, which can be applied to organize home or school, making your chair back has enough space to store items while keeping everything organized; Suitable for most classroom chair, and easily changed to use for different students year after year