Amazon.com : WATERFLY Crossbody Sling Backpack Sling Bag 。?Mesh ?Imported ?Polyester lining ?Zipper closure ?Keep Everything in Order: Size: 7 x 3.5 x 15 inches /18 x 9 x 38 cm. The front zipper bag and buckle bag allow you to store iPad mini, iPhone 7 Plus, power band, etc., with several separate small compartments inside, it can effectively keep your small items like makeup, tissue, keys and so on. The side mesh pocket is 6 inches height, it can hold 2.4 inch(diameter) bottle. ?Hidden Earphone Hole: There is a hidden earphone hole on the front, providing easy access to your earphones, you can enjoy music anytime and anywhere. ?Adjustable Reversible Shoulder Strap: Designed with 3 D-rings on the lower part, the adjustable shoulder strap can be connected with the left or right D-ring for your preference, so that it is convenient to wear on your left or right shoulder. The shoulder strap pouch is 3.5 x 1.5 x 7.5 inches (L x W x H), it hold the phone screen size under 7 inches easily. Shoulder strap can be adjusted from 31 ” to 39.5 ”. ?Superior Material: The shoulder strap and the back is made of breathable material, make you feel comfortable when travel, hiking and so on.