【DURABLE CONSTRUCTION】Crafted from high-quality ABS material, the hard shell rooftop cargo box ensures long-lasting durability. Its waterproof and UV-resistant design protects luggage from various weather conditions, making it ideal for road trips. The aerodynamic shape also reduces fuel consumption and noise for a smoother ride【SPACIOUS 11.5 CUBIC FEET STORAGE】With dimensions of 54.3"L x 31.5"W x 11.4"H, the rooftop cargo box offers 11.5 cubic feet (326L) of extra storage space. With a maximum capacity of 135 lbs, it significantly increases storage capacity for your belongings【UNIVERSAL FIT】Compatible with all vehicles equipped with a roof rack, including cars, vans, and SUVs. Prior to purchase, please verify compatibility by checking the roof rack fitting guidelines【CONVENIENT DUAL-SIDED OPENING】The dual-sided opening system allows easy access from both sides of the cargo box. Includes 2 keys and 2 straps for added security. Ensure one side is locked when opening the other side【RELIABLE WARRANTY】Roof cargo carrier is committed to delivering high-quality products and meeting customer expectations. Enjoy a one-year warranty for added peace of mind. For any inquiries, our team is available to assist you within 24 hours