☞Features: It is mainly used to decorate the upper part of the car interior to fix the interior roof of the car. Car roof fasteners, fabric upper fasteners, repair sheds, retaining clips, internal car roof repairs closed The color of the product is light and can be combined with a variety of automobile interiors. Can be used in cars, trucks, motorcycles, buses, trains, airplanes, caravans, etc. ☞Specification: Material: fabric clothes Color: beige or grey Screw length: about 0.5in Buckle diameteri: 0.78in Screwdriver length: 3.57in ☞Tipps: 40 pcs Snap Rivets for a car with the skylight. 60pcs Snap Rivets for a car without the skylight, the distance between each pop rivets is 4.7-5.9 inches ☞Package Includes: 60 x Car roof buckle 60 x Colorful push pins 1 x Screwdriver 1 x Tape measure ☞Installation: Fix it from the middle of the drooping cloth. Install the buckles evenly in the middle. Repeat the process until no more sagging. ☞Kindly Note: 1) If the edges of the roof cloth fall off, please use glue on the edge then use the roof headliner repair rivets to fix it. 2) It will not damage the car roof, because the snap screw length is approx. 1cm, the screw is on the ceiling shell, not on the metal. There is at least 3 cm between the roof shell and the roof, after the installation, the screw only exposed about 3 mm, so the screw did not hurt the top of the metal, and does not affect the use of skylights.