Ensign Peak Everyday Duffel Bag with Adjustable Shoulder Strap and Mesh Pockets This bag can easily fit one pair of shoes, track pants, a t-shirt, water bottle and an ipod without a problem. The 2 mesh pockets on the outside can hold your water bottles, but are also great for holding small items like keys and a phone and make it easy to find them when you need them. Ensign Peaks duffel bag has shoulder straps and a hand strap. This makes it easy to carry  you can alternate between caring in your hand or on your shoulder without adjusting. Measures: 17.5" W x 10.5" H x 9.5" G Made from 600 Denier fabric with a PVC backing