??Large Capacity??14.96*6.1*7.08in. This bike trunk bag large capacity provides your items with ample storage space. Insulated lining keeps your beverage cold or food warm for hours^ ??Waterproof Material??Water-resistant fabric with soft padding ensures maximum protection, lightweight but also solid and sturdy. Protective padding, provide a cushion to reduce shock when riding on road^ ??Easy Installation ??Front and bottom Velcro straps ensure stability, this Bag does not move, shift or budge easily! Adjustable adhesive mounting straps for quick installation and removal^ ??Multi-Function??Fit Most of electric bicycles Road or Mountain Bikes' Racks.Elastic bungee cord on the top to keep your clothes or maps securely on the bag.Large capacity, suitable for placing all kinds of supplies,Strap design,Kettle pocket design,Waterproof thermal insulation inside design^ ??Safety Design??Reflective elements for improved visibility and safe riding at night