Easy to Use - Tie down the car top cargo without the need of passing straps inside the vehicle, never leak even it rains. Great solution for car roof bag and bulky store purchases..Universal Fit - Compatible with cars with or without roof rack. To ensure it fits well, please check that the rubber door seals in your car can be peeled down enough to expose the car door metal frame where the hooks should be placed..Provide Maximum Security - Stay super secure, virtually impossible to come loose with the door closed. Installs in a few minutes with no risk of damage to your car's door and window seals..Heavy Duty: Made of high tenacity industrial grade polyester with strong stitching to add strength, double sewing. There are 6 door hook straps in the package, each strap length is 7.5", width 1.0"..Satisfaction Assured - We guarantee nothing less than 100% buyer satisfaction. Please contact HeyTrip if you are unsure about the compatibility of your vehicle.