Versatile and Spacious 3 Ring Zipper Binder: It has a lot of space with multi-pockets to fit everything for school, office and work.These pockets have different functions, so this binder could hold your school supplies super neat inside, just like stores your pencils, pens,,a 13 inch laptop, mobile phone, ,chargers, cables, calculator and a ton of stuff in different areas, it also keeps your papers together. Tough Material and Heavy Duty D-ring and Clasp: This zipper binder organizer is made of sturdy and wear- polyester fabric, which is spill . The metal D-ring base plate is reinforced with microfiber PU, which enhances the bonding between the D-ring and the bag to prevent it from falling off. The metal clasp can withstand up to 350 pounds of tension, which fully ensures the performance of the shoulder strap during use Zipper Bag School Supplies - Focus on manufacturing zipper bag, based on the suggestion we received, we design professional school binder in 2024, provides special organizational pockets for stationery , larger capacity, higher quality!(Note: Recommend to children over 3 years old only.) Zipper Binder with Shoulder Strap - The 3 ring binder with zipper comes with removable shoulder strap with thickened cushioning padding and handles for versatile and comfortable carrying. Reduce the pressure on the shoulders and let kids relax to school. (Adjustable Strap length: 75-140cm suitable for students of all ages) Professional 3 Ring Binder with Zipper - Equipped with specially functional partitions to support mass and necessary school supplies. The access exterior pocket easy to carrying frequently using items; design with pen slot and calculator pocket Colour:Black Material:Polyester Package Contents: 1 x Zipper Binder 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.