Oxford Binder 4-Packs are loaded with features; 1.5 inch binders have single trigger D rings, view binder covers and strong XtraLife hinges Ergonomic ONE-TOUCH Easy Open binders open & close with a single tap; load pages or reshuffle notes easily; 1.5 inch Slant-D rings hold up to 375 sheets ClearVue covers let you swap out inserts on the front, spine & back; archival safe, PVC-free and non-stick to preserve pages Reinforced XtraLife binder hinges thrive under pressure—resists splits or cracks at the seams so your binder lasts the school year Extra storage pockets provide a place in your 3 ring binder for your syllabus, unpunched sheets, sticky notes or handouts