【100% WATERPROOF&TEARPROOF MATERIAL】Made of 100% waterproof material,600D PVC tarpaulin, Grid material with High frequency voltage technology, durable and heavy duty style bag.

【EASY TO USE】The COUYK roof bag come with 1x anti-slip mats, 4x security hooks, and 1x storage bag, it can be quickly and easily installed in minutes.It can be folded into the storage bag to save space while not in use.

【UNIVERSAL COMPATIBILITY 】The COUYK roof bag can be used with any sized car or SUV, work both with car with or without roof rack;If there is not roof side rails on your car, it can be quickly and easily installed to roof rack in minutes with 4 door hooks.

【THICK RUBBER&WATERPROOF ZIPPERS DESIGN】The roof cargo carrier has a thick rubber mat to make your car's roof and padded door hooks to safeguard the car frame. High-quality waterproof zippers are made of superior materials and through advanced craftsmanship, capable of withstanding frequent use and various harsh weather conditions.Make your car roof cover not afraid of rainy days during your journey.

【LARGE STORAGE SPACE】The COUYK bag (44*34*17 inch) was designed to solve the problem of limited storage space in the car. 15 cubic feet rooftop cargo carrier allows you to hold 4-6 suitcases, travel luggage cases, tents, sleeping bags, and more. Free up inside vehicle space for more comfortable on the way.