These new raw linen bags are machine washable. The Grade School Backpack is the big sibling to the SoYoung Toddler Backpack and fits kids aged 6-11. It has ample space for large binders, gym clothes and books with room to spare. Raw linen exterior with a nylon lined interior and 2 side mesh bottle pockets, as well as interior mesh pocket. A chest clip keeps the bag securely on while skipping, jumping, running, or any other high energy activity.