The CILink retention system means it attaches quickly and securely to an ACID SIC 2.0 luggage carrier. We also added reflective details to improve visibility in low-light conditions. Its got bags of space to carry your shopping or other items. Simply unclip and go at your destination courtesy of the practical shoulder carry strap for maximum versatility.Features:WaterproofAbrasion-resistant outerPvc-freeWelded constructionAcid mounting system cilinkCompatible with acid carrier sic 2.0Shoulder strapReflective detailsDimensions(lxwxd) 46 x 26 x 18 cmMaterialTpuVolume20 litres (40 litres/pair)