Come and see our amazing products. This backpack is made of 420D nylon and PU. Compared with traditional diaper bags, this diaper backpack is fully functional. It solves the problem of sleeping when the baby is outdoors, and provides moms a place to change the baby's diaper. Insulated bottle/sippy cups pockets store and keep baby foods at perfect temperature for hours. Easy-access zipper side pocket for baby wipes. It can be hung on a stroller or use handle strap. It is best used in airports, parks for picnics, shopping, or taking public transportation. Pls confirm further with us if any query about packing info, inventory status and time schedule.