Oxford 2 pocket plastic binder dividers are made of tough poly material that outperforms paper binder pockets. Each double pocket divider holds up to 60 sheets; 30 sheets per pocket. Made of long lasting polypropylene that's non-stick and archival safe. Won't damage photos or transfer ink and toner from your pages. Our durable tab dividers glide smoothly without ripping at the rings. Survives long projects and multiple semesters. Large and easy to read tab design leaves ample room for labeling. Tabs are sealed at the bottom so paper inserts don't fall out. Our dividers for 3 ring binder with pockets already have a 3 hole punch to fit standard binders for 8-1/2" x 11" sheets. Multicolor 1/8-cut tabs help you color code for complete 3 ring binder organization; with yellow, goldenrod, orange, red, pink, purple, blue and green tabs. 3 Sets.