These pads contain high quality white sulphite bond paper, bound with strong resin glue and wire stapled. The pads are available blank, or with 1 in. grid or 1 in. ruled on one side. Each pad has a perforated head strip that is 3-hole punched and an extra heavy chipboard back. Pads measure 27 in. x 34 in. and contain 50 sheets. Pads are recyclable.