The mat serves its purpose in my, Corsa C. The attachment with the accompanying adhesive / Velcro and was not working! The velcro holds more ald the tape. I have attached the cable tie to my begelegten plastic boot tub in whose edge I had drilled 4 holes, and thus the mat is securely fastened. The magnets hold well, and by the rough surface is my dog (golden retriever) in pure and jump out a secure grip without scratching the car or to pollute. The material is valuable and robust.