Spacious Space Zipper Binder - Equipped with quick-access exterior pocket easy to carrying phones,calculator,pens and other shool supplies items; Inside built in 2 folders and Mesh pocket is enough to accommodate all stationery needs of junior or middle schooler.2 Inch O-ring Binder with Zipper - Upgrade thickened 2 inch-O ring, the bottom panel connected with the metal ring also be reinforced.The 2 inch binder Ring can hold up to 500 sheets of A4 paper and feel free to add and reduce page.Zipper Binder with Shoulder Strap & Handle - Can switch the carrying method at any time. The soft and thick shoulder pad can reduce the pressure of heavy for shoulders.Shoulder strap can be adjusted suitable for students of different grades.Durable Mighty Zipper Binder - Made of thickened 900D Oxford fabric,the 2 inch zipper binder is wear-resistant,tear-resistant and protecting from rain.The reinforced stitching enhances the weight-bearing capacity and prevents breakage.Upgrade School Zipper Bag - Focus on manufacturing Zipper bag,Based on the suggestion we received, we upgraded the shool binder in 2024, including reinforced handle and thickened metal ring, multiple stitching to make the product stronger.(Note: Recommanded to children over 3 years old only.)