Roswheel Cycling Bike Front Top Frame Pannier Tube Case Pouch Cell Phone Bag Velcro strap design for quick release & installation, suitable for a variety of bicycles. With double zipper pocket, safer for inside items and convenient to open / close. High quality polyester material, wear-resisting and comfortable. With EVA and PE material padded inside, better shape and better protection. For cellphones with 5.5in and smaller touch screen.