eBay

MAGNETIC CAR DOOR PROTECTION, DENT PROTECTOR FOR CAR DOORS, PAID £54.98 on AMAZON' Here is the link: https://www.amazon.co.uk/gp/product/B07GMWVW5V/ref=ppx_yo_dt_b_asin_title_o03_s00?ie=UTF8&psc=1

Purchased for use on my BMW, only to discover it has aluminium doors and subsequently too late for Amazon return as they were a Christmas gift and I've only recently tried them. They are brand new in the box and unused.This listing is for one pair. Ensure your car has steel doors ( simple maget test),

Sold the other pair of these as I was looking to protect both sides of my car, Buyer who left feedback says they are a "Good product"

A premium magnetic car door protector. Made of high quality, eco-friendly silicone and sealed, non-scratch magnets, this protection system is designed and assembled here in the UK.
Simple to use and extremely effective with its silicone coated, scratch-free, sealed magnets. Simply unroll and feel it click into shape and position onto your car. A few seconds instead of a few hundred pounds of damage.
Anti-Theft: We use a strong PVC coated steel cable and a silicone molded magnet to keep your investment safe. Just place the magnet on the inside of your door and shut it inside to ensure it can’t be taken.
Works with any steel car body and door ( same as any other magnetic protector) making it extremely versatile. Please check your car door is steel, just offer up a magnet.
Simply rolls up for storage and fits perfectly into your door storing compartments.
Reduce neighbouring car door impact whilst parked up in a public car park, supermarket or retail park thanks to our carefully crafted vehicle door protection product. We have created a highly efficient and effective magnetic car door guard – Ouchi – which is uniquely designed to be conveniently rolled up and stored away in the car door storage pocket or glove compartment. Our innovative product is constructed from moulded silicone, two strong rare earth magnets, and a central spring-steel plate.
PARK AND PROTECT
Peace of mind when parking in congested areas
Cost effective against repairs
Stress free parking whilst shopping
Conveniently stowed in your car door storage pocket
Use in any weather conditions
Includes a Pvc coated flexible steel Anti-Theft cable as standard