Previous page Next page 1 Durable Waterproof 2 Sunny Day 3 Rainy Day 4 Snowy Day 5 Sandy Weather Enjoy Your Trip! What is the maximum speed you can drive it? The load of our car roof bag does not exceed 50 kg and the driving speed does not exceed 80 km/h. What is the size of the rooftop cargo carrier? The size of our car roof bag is 96*96*45cm/38x38x18inch, and the folded size is 33x28x15cm/13x11x6inch. Does this car roof bag has anti-slip mat and straps? Yes, it comes with anti-slip and 6 straps, if not, please following steps to get a solution: 1.Click "Orders" and locate your order by purchase date. 2. Click "Contact Seller" button, then you can send messages to us. Is it Waterproof? NABIYE roof cargo carrier is waterproof. Made from heavy-duty dual-seal materials that withstand rainstorms, sand, snow, and sun protection! (If NO racks/bars, need to put a cloth under the straps near the door to prevent water seepage into the car.)