Nike Unisex Laptop Backpack Book Bag Material:100%Polyester , 100%Nylon Dimension:(W)top26cm / down 37 cm X(H)35 cm X(D)19cm=(W)top 10.2" / down 14.5" X(H)13.7"X(D)7.4" Strap length: approx 99 cm Capacity:29 Liters Big enough to hold most 17" laptops,binders,and gear