Unique design: Back hidden RFID signal blocking pocket(7.5 X 8 inches), to protect your ID card, bank card, or phone from getting scanned and stolen. And protect your information security in public placesPerfect Size: 3 Main Compartments in all, only 12oz. The foremost compartment is 7.5 X 10.5 inches. The middle zippered is 8 X 11 inches--with 2 extra pouches, and a key chain. The LARGEST zippered is 11 X 16inches. The Strap phone pocket size is: 3.3x6.5inch (WxL) with an earphone hole. 2 water bottle holders (up to 2.4 inches) with a contraction bandReversible and Breathable: Good construction and lightweight, designed with one right / left easily switchable and adjustable padded strap and breathable back pad for your comfort. The adjustable strap range is 25.9 - 46.5 inches / 66-118cm. Perfectly fit your bodyWater Repellent and Anti-friction: This sling bag is made of precision polyester with an SBS zipper, which is water-resistant, easy to clean, and anti-friction, effectively preventing it from tearing, wetting, and ripping. Has a certain waterproof performance, but can not be soaked totally in water for long period.Multipurpose Daypack: Adjustable type strap fit for the adult. Can be used as messenger bag/family weekend trip sling bag: black color for Dad, blue color for Mum/shoulder bag/crossbody backpack / casual daypack/sling bag/chest bag/travel bag/working or business bag, suitable for office, outdoor, business and other occasions. 100% SATISFACTION GUARANTEE WARRANTY Product Description G4Free Large Sling Backpack Shoulder Bag RFID BLOCK SHIELD RFID Signal Blocking Shield Size: 16.5*9.4*3.5 inch, Weight: 0.7lb The back pocket is made of Anti-theft RFID Blocking Shield material, protecting your RFID enabled devices and card from unauthorized access. The Front Pocket The front buckle pocket fits iPad Mini 7.9'', convenient for basic items. Large Second Compartment Multiple pockets include 2 small pockets and a keychain to organize well your items. Large Main Compartment Inside includes a pocket fit for iPad Air 9.7'' The main compartment accommodate daily nessities. Quick access to Your Phone Shoulder Strap Pocket is suitable for most kinds of phones. 2 Side Pockets Include The diameter fits a 2.4'' bottle, and the height of the pocket is 6.7'', to avoid the bottle falling down. Reversible Carrying Strap A reversible shoulder strap makes it suits both lefties and righties. Customer Show SIZE(LxWxH) 8 x 6 x 2.3 inches 8.5 x 4 x 15.5 inches 14.5 x 9 x 4 inches 17.5x11x6 inch 11 x 6 x 16 inches 9.84 x 5.11 x 16.14 inches VOLUME 3 pockets 3 main pockets 3 main pockets 16L 16L 15L Packable Track Page Views WithAuctiva's Counter