What are the Best hard top luggage carrier for car top -Buying Guide

Features

• LARGE CARRYING CAPACITY: This premium roof rack cargo carrier 51" (L) X 39" (W) X 17" (H) with 20 cubic feet of storage capacity can hold 5-7 suitcases, travel luggage cases, camping tents, sleeping bags, and more. Made of soft shell material, it can be folded into a storage bag to save space when not in use!
• MORE SAFETY: Besides load capacity, stability is arguably the most essential factor in a vehicle's top carrier. Our car roof cargo carriers are designed with 6 built-in reinforced straps, extra 6 door hooks, and 2 long luggage straps. For safety reasons, the more straps and clips for securing the bag to the roof, the better!
• EASY TO INSTALL: We offer 8 heavy-duty tie-down straps and 6 safety hooks that can be easily attached to the vehicle's Luggage rack in minutes; fits most roofs with crossbars/side rails/baskets or bare roofs without racks; fits most vehicles such as cars, SUV's, pickups, station wagons, hatchbacks, hardtop crossovers.
• TEAR-RESISTANT & WATERPROOF: Features three layers of 1000D waterproof material, Sailnovo rooftop cargo carrier bag is twice as strong as other brands' 500D fabrics. We found that other brands could easily tear through the seams, so we doubled up our seams and widened the waterproof zipper flaps!
• WHAT YOU GET: 1 rooftop carrier bag, 6 safety hooks, 2 reinforced straps, 1 storage bag, 1 user manual. The Sailnovo cargo carrier is water and fade-resistant, dust, sun, wind, and rain resistant. You don't have to spend as much as you would for a roof box, but you have a bag that has all the features of a car roof box!