Premier 3 inch binders make presentations simple with Easy Open ONE-TOUCH Slant-D rings, customizable ClearVue covers and strong XtraLife hinges Easy Open ONE-TOUCH binder rings open and close with one simple motion; 3 inch Slant-D rings fit more notebook paper—up to 650 sheets ClearVue covers let you swap out inserts on all 3 sides for binders that look smart and professional; an affordable upgrade for school and office Reinforced XtraLife cover hinges thrive under pressure—covers resist splitting at the seams; 4 clear binder pockets keep essentials close at hand These black binders are made from PVC-free, non-stick material that will remain ink and toner-free for the life of your binder