Lasts all year. Guaranteed! Durable, water-resistant poly covers protect your notes all year. Reinforced, tear-resistant divider pockets keep your loose sheets together. Spiral Lock® wire binding prevents coil snag, and high-quality paper provides excellent ink-bleed resistance. Easily inserts into any three-ring binder (sold separately). One-Subject Format—Quadrille ruling (4 sq/in) with two pockets.Pocket-Sized Indicator: N; Book-Binding Type: Spiral Coil; Book-Binding Edge: Side; Cover Color: Randomly Assorted.