The Nike Elemental Backpack (Gray DD0559 014) is a modern backpack perfect for school, travel, or training. Its durable construction features two main compartments with two-way, covered zippers. Side, open pockets for a water bottle and lunch. Front zip pockets. Padded, adjustable mesh shoulder straps. Reinforced back panel with a perforated panel. Large logo on the front. Specifications: Material: 100% polyester Dimensions: 48.5 x 30.5 x 15 cm Capacity: 21 l