Not sure if you should get your child a duffel or a backpack? Ergobag has created the best duffel for your little one. The HorsepowBear Ergobag Duffel Bag is a cool black bag with a grey and neon green design. This bag can either be worn as a duffel with a shoulder strap or a backpack with two shoulder straps. This is a great bag for traveling kids because it is lightweight and also has a compartment for shoes. This bag will remain visible in the dark with reflectors. Finally, the fabric is made with 100% recycled PET bottles.