Amazon.com | AOSTIHOT Crossbody Small Sling Backpack Sling 。Zipper closure Dry Clean Only With the zippered and adjustable straps, this sling bag can be used as a small backpack, you can also wear it as a chest bag, a crossbody bag, etc. very charming and unique which makes you the most attractive person when you wear it to bike, walk, hike, date or other outdoor activity. Made of durable, lightweight, water-resistant canvas material with top-quality zippers and brass fittings, the small crossbody backpack dimension: 10 X 7 X 16 inches / weights 1.4lb, very portable.