ITEM NAME:Car Keys Signal Blocking Bag Anti-Theft Keyless Entry Radiation CovverCase Pouch Product Description Description: RFID Car Keys Signal Blocking Bag Carbon Fiber Anti-Theft Keyless Entry Radiation Cover Case Pouch Features: Carbon fiber material, internal RFID shielding fabric, 100% Blocking of car key signals. Simple and practical key case, medium in size, seamlessly glued stickers. The key ring seamlessly links the car keys, and the keys can be placed in the key case to protect your car safety. Specification: Material: Carbon Fiber Colour: Black Size: Covered Size: 14 X 10cm/5.51 X 3.94" Open Size: 20 X 10cm/7.87 X 3.94", with keychain on the inner layer and keychain on the back Weight: 50g Function: RFID Information Anti-Scanning / Anti-RF Information Leakage / Signal Blocking of Car Key Maintenance Method: Wipe with water or a small amount of detergent. Do not dry clean, expose to the sun, iron or bleach. Notes: 1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! 2. Please allow 1-3mm measuring deviation due to manual measurement. Included: 1 XÂ Car Keys Signal Blocking Bag.Do not dry clean, expose to the sun, iron or bleach. Included: 1 X Car Keys Signal Blocking Bag. Carbon fiber material, internal RFID shielding fabric, 100% Blocking of car key signals. Function: RFID Information Anti-Scanning / Anti-RF Information Leakage / Signal Blocking of Car Key.