Versatile design features three 34 x 20 chart sections are detachable and interchangeable. Each section has five, long, clear acrylic pockets (15 total pockets). Tops and bottoms are edged with hook and loop tape to connect sections quickly and easily. Made of durable, flame-retardant nylon with sturdy grommets for hanging. Supports the Four BlocksÂ® Literacy Model. Includes 18 colorful header cards and resource guide.