The Wrist Slate offers three, Separate Writing Surfaces via Three Leaves that Flip-Up for Easy Access. An Elastic Cord Snaps the Leaves Back Into-Place and a Cord with Sleeve Stows the Attached Solid, Carbon-Stick Pencil. The Wrist Slate Fits on the Curve of the Forearm and can be Attached with either the Velcro Strap or two Small Elastic Cords included in the Kit. Use them for Note-Taking, Back-Up Deco Schedules, or as a Safety Communication Device. The Slate measures (H x W) 4" x 4" (10 x 10 cm), weighs 4.2 oz (119 g) and is covered by a 12 month limited warranty.