Water Resistant MaterialThis Bicycle Rack Rear Carrier Bag is made of Water-resistant fabric with soft padding ensures maximum protection, lightweight but also solid and sturdy(br) Protective padding, provide a cushion to reduce shock when riding on road(br)Cool/Warm drinks ready to hand 11(br)4*6(br)3*6(br)7 in(br) The Insulated Trunk Cooler is of large capacity provides your items with ample storage space(br) Insulated lining keeps your drink and food cold or warm for hours, suitable for everyone who wants to take drinks or snacks with them(br)Bag with elastic bungee 1) Elastic bungee cord on the top to keep your clothes, rain jacket or cards securely on the bag(br) 2) Theback pocket with elastic band keeps your water bottle in place(br) Or keep other things like repair tools, small air pump, etcMultifunctional bike bag Removable, adjustable shoulder strap for easy carrying and relieving the back(br) Light and practical, it can be used not only as a luggage carrier bike bag, but also a shopping bag and shoulder bag with an adjustable shoulder strap(br) Reflective elements for better visibility and safe driving at night(br)Easy Installation Front and bottom Velcro straps and Adjustable fastening straps ensure stability, this Bike Bag does not move, shift or budge easily Adjustable adhesive mounting straps for quick installation and removal(br)