The wide opening makes it easy to put things in and take them out. This is a recommended size for those who think M might be too big. It's a good size for elementary school children as well. Size: Approx. 35cm (height) x 24cm (middle width) x 14cm (depth) - Brand: anello - Color: Navy - Interior color: Turquoise blue There is a pocket with a zipper on the entire front of the backpack. There are pockets on both sides. There is a pocket inside the backpack. It is used and has been stored at home, so please understand.