COTEetCI Bicycle Bags Bike Top Tube Frame Bag Pannier Water Resistant Bike Bag Cycling Saddle Bag for Bike Accesorios Material: 600D polyester fabric,Water repellent fabric,wear resistance and tear.Our bike bag suitable for various models of the bike. Clear Transparent PVC Pouch : Touch screen function, reflecting sensitivity, PVC window pouch designed for iPhone X,iPhone 8Plus (screen size 5.7") Capacity: 1L capacity, enough storage compartment with plenty of room for other necessary items such as wallet,keys,glasses etc. Convenient : Has a headset jack, charging line output port design, it is convenient for you to listen to the music while riding. Humanized Design: Velcro strap design for quick release & installation. A rubber band helps to tie more firmly. Make your bike pack more stable.