Naviurway 2Pack Key Fob Signal Blocking Bag Automobile RFID Blocking Holder Anti-Hacking Security Bag for Car Smart Keyless Entry Remote Fob Controller Black

Features:
Block Key Fob RFID Signal: Prevent unwanted signal communications and signal amplification attacks to your keyless entry system.
Compatible Size: 5.5 inch)x3.5 inch fits for Car key FOB, Driver License and More
Block Car key FOB Signal: Keep your car's security system from getting hacked

Warm Reminder:
1. Do Not Bleach/Dry Clean/Warm Iron/Hand Washing Excessively, or it will destroy the nano layer and affect the effect of use
2.The outer layer is just radiation,The inner layer is the shielding signal.
3.Signal Shielding bag must be closed, or it will affect the effect of use.

Package content:
2 Pieces RFID Blocking Bags with keyring