The backpack features multiple storage compartments for additional supplies and accessories. It has adjustable, heavily padded, shoulder straps making the backpack comfortable to wear even when loaded with all your gear. Mesh compartments on the sides provides a quick-access space for refreshments, cell phone, or other small items. Dual main compartment layout for easy organization Double zipper in the 1st main compartment making it easy to open & close Two zippered front pocket for quick access items Two side mesh pockets for bottles or travel umbrellas Adjustable Padded Straps Measurements: 12" wide x 17" height x 6.5" deep. Polyester. Wipe clean. Summer/fall. One size.