We call these multi-purpose bags "hustlers." We've used them as gym bags, diaper bags, picnic baskets, commuter bags, and as an underseat carry-on for flights.
On the outside:
On the inside:
Carry your hustler on your back or by hand with two sturdy top handles.
Available in one size: 15.0" × 10.8" × 6.7'' (38.1cm × 27.4cm × 17.0cm)
100% lightweight, high-grade nylon. Adjustable shoulder straps. Padded back panel. Cream interior lining.
Remove all the items from the bag before cleaning. Pretreat visible stains with a stain remover. Mix warm water with laundry detergent and clean the bag by hand with a terry washcloth or soft bristle brush. Air dry only.