Pacon PAC3387 Easel Pad, 1" Grid Ruled, 27" x 34", White High-quality, White sulphite bond paper is top-bound with strong resin glue and wire-stapled Perforated head strip is 3-hole punched and has an extra-heavy chipboard back 1" quad ruling on one side of the 27" x 34" sheets 50 Sheets / pad