ROBUST DESIGN: ;Hard shell rooftop cargo box made of high-quality ABS for long-term use. Waterproof and UV-resistant to protect your luggage in any weather. Aerodynamic shape reduces fuel use and noise.12 Cubic Feet Cargo Box: ;Dimensions: 54.3"L x 31.5"W x 13.4"H. Offers 12 cubic feet (340L) extra storage and holds up to 165 lbs, greatly increasing cargo space.UNIVERSAL FIT: ;Fits all vehicles with racks—cars, vans, SUVs. Check roof rack fitting guide for compatibility before purchase.DUAL-SIDED OPENING: ;Access from either side with dual-sided opening system. Includes 2 keys and 2 straps for added security. Ensure one side is locked before opening the other.TOOL-FREE INSTALLATION: ;All hardware and instructions included. Four quick-connect anchors make installation fast and easy.