Works 'as advertised' and the red material really helps answer the age-old question; have you seen where I put my key FOB ??
Good quality, and blocks my key fob.
So far, the product works very well. I hope it is resilient. Time will tell.
Perfect size for my electronic car key. Read up on the increase in auto thefts by hacking modern car keys. If you want to safeguard your car and personal security this is a good start.
Key Fob Guards
Very sturdy solid construction, using a spectrum analyser I can detect no RF leakage .