Material: Nylon. Design: 1 main compartment, 3 hidden slots, 1 front side pocket, 1 phone pocket.. Size and Capacity: 6.3*3.5*7.9in/16*9*20cm. Fit phones under 7 inches, cards, treats, keys, glasses, passports, driving licenses, etc.. Strap Range: Adjustable from 27 inches to 53 inches/70-135cm.. Occasions: Excursion, commuting, dog walking, school.