This writing aid is a slant board that collapses to a thickness of just 3/4" AND is very, very light! Great for traveling (from home to school, class to class, etc.) and can easily be stacked and stored in a classroom. Made of durable corrugated plastic, it has attached plastic clamps that hold paper well and includes non-slip "feet." Use for writing or holding materials to copy from. The low angle surface is approximately 20 degrees. The XL large slant board writing surface measures measures 19"w x 12"h. Great way to teach your child with autsim or other special needs how to write. [ Warning: CHOKING HAZARD - Small parts. Not for children under 3 yrs. ]COLORS VARY MAY NOT BE COLOR IN PICTURE!