Features16 pockets for bottles less than 80mm in diameter. 2Built-in aluminum foil, effectively keep warm/cold, let you drink hot drinks in winter and cold drinks in summer. 3Three pockets on each side, keep bilateral balance, more stable riding. 4600D polyester fabric, practical and wear-resistant. 5Portable handle design, more convenient to take and carry. 6Easy to disassemble and assemble.SpecificationThis bag is easy to install and has a large capacity. It can store 6 water bottles. It is installed on the backseat of the bicycle, quick and stable installation, and has heat preservation/cold preservation function.Features:6 pockets for bottles less than 80mm in diameter.Built-in aluminum foil, effectively keep warm/cold, let you drink hot drinks in winter and cold drinks in summer.Three pockets on each side, keep bilateral balance, more stable riding.600D polyester fabric, practical and wear-resistant.Portable handle design, more convenient to take and carry.Easy to disassemble and assemble.Specifications:Color: black, blue and orange (optional)Material: polyester fabric+PVCItem size: 250 * 210 * 80mm / 9.8 * 8.3 * 3.1inItem weight: 460g / 1.0lbPackage size: 255 * 210 * 50mm / 10.0 * 8.3 * 2.0inPackage weight: 470g / 1.0lbPacking List:1 * Drink Bottle BagPackage List1 * Drink Bottle Bag