This is the Nike Brasilia 9.5 Training Backpack (Medium, 24L). Designed as a durable and versatile daily carry, it is a highly popular model used for school, commutes, and the gym. Nike +2 Key Specifications & Features Dimensions: 18″ H x 12″ W x 7″ D Capacity: 24 Liters (approx. 1,465 cubic inches) Materials: 100% densely woven, recycled polyester Compartments: Features a zippered main compartment, a padded internal laptop sleeve, an inside accessory zip pocket, and mesh water bottle pockets on the sides. Special Features: Includes a water-resistant coating on the bottom panel and ventilated front pockets to separate used gear or shoes. eBay +3