This fantastic messenger bag has a zipper interior has 2 internal pockets. Perfect for your mobile device. Measures 14 inches by 12 inches and is 4.5 inches wide ( 35.5 cm by 30.5 cm by 8.9 cm wide) Made of black Nylon. Outside flap has a Velcro closure. Has a 1.5 inch wide Nylon shoulder strap which can be adjusted from 27 inches to 50 inches max. Great for carrying your personal items and more for travel, work, or school.