About this itemEVA SHELL: Unlike other front frame bags on the market,This bike storage bag made of EVA 3DShell material Which is more durable,Never worry about your bike bag will be squashed even broken.LARGE CAPACITY: This frame bag with large storage room, Medium:1.1L Size:22*7.6*6.8cm,can fit mobile phone below 6.2inches(iPhone X XR XS), Large:1.5L Size:24.5*10*8CM suit for phone below 6.5inches(iPhone XS Max). The main compartment with two net pockets inside of the bag holds your cell phone, wallet, keys,small tools, energy bar,gels,nutrition or mini pump.WAYER -RESISTANT MATERIAL: Our bike top tube bag made of water-resistant Carbon fiber PU surface material, also can be highly abrasion proof and durable. Whats more, equipped with a double sealed zipper.It can perfectly protect your phone and tools to small rain, NOTE:The bag is sewing product, best not to use in heavy rain or soaking in water for too long time.EASY TO INSTALL: Fastening with three strong adhesive hook&loop straps,our bike bag can be securely attached to the top tube, and it is suitable to most bike eg: mountain road bike ,folding bike (as rear saddle bag)COOL SHAPE DESIGN: This cool shape design can be the icing on the cake of your bike. Different from most type bike bags on market, the handlebar bag will often touch your knees.The design of Slim body will effectively prevent this problem.