Basecamp Topc 5.5inch, Waterproof, Outdoor Cycling Front Frame Tube Cell Phone Bag Both sides have the reflective strip for safe riding at night Safer for inside items and convenient to open or close with zipper pocket Suitable for most kinds of bicycles, such as fast riding, road bike and mountain bike Two bags are made of high-density polyester which is waterproof and difficult to be broken PVC window pouch designed for cellphones with 5.8 inch like iPhone 6,6S plus and Samsung note 5 S6