Features: These transparent worksheet pockets can turn paper into reusable, erasable surfaces to reduce the amount of paper being used. Package includes: 30 pcs erasable worksheet pockets, 12 pcs erasable marker, 4 pcs erasers, 3 binder rings. Provide you more sleeves to distinguish your various items, perfect for teachers, students, home, offices and more. The oversized design makes it easier to slip paper/worksheet in and out than many of our competitors. Both sides of the pockets are transparent, suitable for both single and double-sided worksheets. It’s also easy to clean with a soft dry cloth or tissue. Made of durable PVC which gives these erasable sleeves a longer life. The edges of each pocket are stitched with opaque, colored plastic binding, and the eyelet allows easy hanging. The pocket is working with most erasable whiteboard marker. It can hold up to 3 standard paper (depending on the thickness of paper). These worksheet sleeves will make your activities funny and diverse while saving your money at the same time. Specifications: Material: PVC Color: Black, Green, Redness, Light Blue, Yellow, Orange, Pink, Purple, Dark Blue, Rose Redness Size: Approx. 25.5x35cm/10.03x13.77in Weight: Approx. 1300g Package Includes: 30 Pieces Transparent Worksheet Pockets 14 Pieces Erasable Marker Pens 4 Pieces Erasers 3 Pieces Binder Rings note: 1.Please allow 0-1cm error due to manual measurement. make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you