【Size & Capacity】Boys Backpack Size:16(W)*31(L)*43cm(H)/6.29*12.2*16.93inches,about capacity: 21L, lightweight backpack weights 0.6 kg(1.3lb), nicely constructed and very sturdy, perfect size for school books with plenty of pockets for everything that he need to put in it; this kids backpack fit for primary school student, kindergarten kids 【Wear-resistant & Water-resistant】This kids backpack is made of high-quality nylon material that features water resistant and sturdy, scratch-resistant, easy to clean. the fabric, seams, straps and zippers are good quality, great backpack will last use an all school year, durable and stylish 【Comfortable】Soft top-handle, breathable padded back panel, S adjustable thick shoulder straps alleviate weight on kids' shoulder and hands, comfortable to wear. great for school and trips