Lakeshore Learning At-Your-Seat Storage Sack. Brand new, in original sealed package. Just hang these super-handy storage sacks over the back of students? chairs to put essential supplies right within reach?and keep children?s desks clutter-free! The sturdy nylon sacks each have two easy-access pockets?including a small pocket on top for small supplies like scissors and pencils, plus a big, reinforced pocket below for notebooks. Regular sacks measure 15"h x 16 1/4"w; fit our 7 1/2"-13 1/2" plastic chairs and most classroom chairs. Recommended Age 3 yrs. - 11 yrs. / Preschool - 6th grade