Features:Temperature keeping & reflective strip The special silver layer material can effectively keep the inside temperature stable, perfect for food and other things storage. Reflective strip to ensure your night riding safety.Big capacity 38*15.5*16cm/ 14.93*6.09*6.29inch(L*W*H) size, top rope storage and side bottle holder design, bring big capacity to suffice your need.Easy to install Bottom adjustable straps makes it easy to install the bag on your bike rear position, stable and universal, no complex process.Tail light installation stickerThere is a magic sticker on the bag side, in order to fix tail light on it, practical and convenient.Shoulder strap design Attached with a shoulder strap, the bag can be used as single shoulder bag for convenience of carrying.Specification:Type: bike rear bagQuantity: 1pcMaterial: polyesterColor: black / graySize: 38*15.5*16cm/ 14.93*6.09*6.29inch(L*W*H)Net weight:gray - 350g /12.35ozblack - 360g/ 12.7zo