You might as well install this tube bag on your bicycle for better protecting your belongs while you are riding. This ROSWHEEL 4.2" Bicycle Frame Pannier Front Tube Bag will surely make you satisfied. For the quality itself， high-grade PU， PVC and polyester material as well as delicate treatment on details， this bag brings excellent durability and reliability to meet your demands on hardness. It is designed with a transparent window for easily touching your cellphone. Reflective strap could effectively prevent you from damages. Besides， it is so space-saving that is also easy for carrying. Trust us; and buy one for yourself!                                    Features             Unique design， with acute angle design to enhance anti-slid effect and ensure smooth zipper operation<br> Special double zipper "U" design <br> With PVC touch screen transparent window， PVC is flexible and non-toxic， long storage time <br> 600D dacron， lightweight and durable <br> Come with audio extension cable， to enjoy music while using<br> Reverse opening design， avoids the impact between bicycle and the mobile phone， articles won’t fall out <br> Built-in PF board， strong support ability to maximize bag space<br> Built-in PE material， good cushioning performance<br> Mobile phone bag back side uses the same material， protecting the mobile phone from shock   <br>                                                            Specifications             Brand     ROSWHEEL    <br> Model     12496-C    <br> Quantity     1    <br> Color     Black & Blue    <br> Materil     600D Polyester + PU + Matte Leather + Transparent PVC    <br> Best Use     Cycling    <br> Gender     Unisex    <br> Waterproof     No    <br> Dimensions     (7.09 x 3.35 x 3.45)" / (18 x 8.5 x 8)cm (L x W x H)    <br> Weight     3.56oz / 101g       <br>                                                             Package Includes            1 x Saddle Bag<br>