Self-stick removable adhesive means no need for tacks, tape or other fasteners. Sticks without damage to most walls, vinyl, wallboard, paneling, wallpaper, fabric and concrete quickly and easily for up to 48 hours. Quality paper resists bleedthrough to next page or wall surface. Universal slots for attaching to most easel stands. 25 x 30.5 in. (63.5 x 77.47 cm) lined, unlined and grid sheets.