?️[Size] 39cm X 21cm X 9cm/15.4in X 8.3in X 3.5in ?️[Storage function] The design of the outer big bag, the mesh pockets on both sides and the inner pocket in the main bag is convenient for you to sort and store your personal belongings: such as mobile phones, iPad mini, wallets, keys, ID cards, credit cards, snacks, books, etc. ?️[Key anti-lost design] There is a key anti-lost rope in the bag. You can put the key in the key ring of the buckle and carry it with you to avoid losing it. You can also remove the buckle and use it alone. ?️[Applicable scenarios] It adopts an adjustable shoulder strap design, which can be used as a chest bag or a shoulder bag and a messenger bag according to your needs and mood. It can be used for outdoor sports such as shopping, cycling, running and mountaineering. ?️[Material Description & Washing Instructions] Oxford cloth material. It can be washed in water, do not soak for a long time, and cannot be bleached. The temperature of the washing liquid cannot exceed 45ºC.