Our dual surface paper is a lightweight craft paper with 2 distinct surfaces for a wide range of classroom projects. (Smooth side is ideal for markers, finger painting and fine line drawing with no fear of bleed-through; the other side has a superior "toothy" texture that handles tempera, watercolors and acrylic paints; completely recyclable; rolls measure: 36"L x 6-1/2"Dia. Overall; center core has a 2-1/2" plug with a 1" hole for rod) - discount school supply item # DSWH.