All Day Backpack with RFID Wristlet。REMOVABLE WRISTLET: Need to go lighter? Mini but mighty, the streamlined, removable wristlet is a smart choice for on-the-go organization. ALL-DAY ADJUSTABILITY: Customize your comfort with an adjustable, removable strap designed with busy days in mind. HANDS-FREE FUNCTIONALITY: Never miss a moment! Stay present no matter where your day leads courtesy of this day backpack’s convenient hands-free design and quick-access pockets. LIGHTWEIGHT & WATER-RESISTANT: Made with water-resistant material, this backpack bag is a breeze to spot clean; and at 1.22 pounds and measuring 11’’ wide x 15.25’’ tall x 4.75’’ deep, it’s the perfect lightweight choice.