Backpack was worn for 5 months (1 semester) and is in good condition. Backpack includes all the features as the original: many pockets inside, laptop pocket, key ring holder, shoe compartment, yoga mat holder, side and front pockets, and adjustable straps. The material is neoprene on the outside and polyester (floral print) on the inside, both of which are waterproof. A great backpack for school, the gym, or just everyday.