High Quality Stainless Steel Material: 4mm stainless steel double braid security cable with 1mm rubber coating, hard and hard to break.Burglarproof protection from additional locked doors, use this product to connect the door with the seat security lock, so that the door cannot be pushed from the outside.There are two lengths of rope (19.7 In 23.6 In in) for you to choose. Adaptability: following three requirements must be met at the same time1. The door handle can pass through the chain 2. The car seat can be rotated 3. The linear distance of the link is less than 25 cm Easy to use: Space saving, quick to install and remove in seconds, easy to store in car consoles, glove compartments, side door pockets. Suitable for--Standard Fiat Ducato Seats, Citroën Jumper, Peugeot Boxer. Anti-theft protection from closed doors further. Service- If you experience any problems, you can contact us using the contact button to send us an email. We will reply within 24 hours.