Each nylon chart includes five 1"H clear vinyl pockets on the front. The reverse side includes one 6"H clear vinyl pocket and one 3"H nylon pocket with Velcro closure for storing cards and supplies (not included). The tops of the charts have two grommets and four strong magnets. All four charts can be connected side by side or 2 x 2, using Velcro connections, to allow for more versatility with organization and sorting activities. Each pocket chart measures 13"W x 17"H. Measures 48"W x 17"H when assembled in a row, and 25"W x 33"H when assembled 2 x 2. Set of four charts in four assorted colors.