Mosey by Baggallini The Bucket Convertible Backpack, Raven, One Size Interior features multiple compartment pockets to stay organized and keep necessities secure Universal headphone access allows you to listen to music even when you're on the go Mobile phone pocket on the back exterior measures 3.5 inch x 7 inch and keeps your smartphone secure and at your fingertips Super soft nylon webbing shoulder strap measures 18 inch and can convert to be worn as a backpack 10x12.5x3.5