UNIVERSAL SIZE: The size of seatbelt stopper is: 16mm in diameter and 7mm thick, it is a universal fit seatbelt stopper kit universal for all vehicles, Including cars, trucks or SUVs. WIDE APPLICATION: This seat belt button stop fits the seat belts of most vehicles on the market. You will receive 5 sets seat belt stops in one package, every set contains 5 male and 5 female seatbelt stop buttons and every two seat belt stops can form a set. It is enough for your daily use and replacement. PREMIUM MATERIAL: This snap-on seat belt stopper button is made of high quality plastic material, which is wear-resistant and durable. It is not easy to be deformed or damaged even after long time use. It is durable enough to withstand long time use and various environmental conditions. EASY INSTALLATION:This seat belt stopper is very easy to install. Use an awl to puncture a hole in the seatbelt. Insert the raised part of the seat belt stop into the hole. Install the flat seatbelt stop on the raised part from the other side of the seatbelt and press firmly. PURPOSE: Our seatbelt button stopper kit prevents seat belts from slipping. The seat belt stopper prevents the seat belt buckle from slipping and keeps it in a more convenient position for you to reach. When you need to use your seat belt, you no longer have to fumble up and down to find the buckle, making your driving experience more convenient.