Features: Shielding your keyless entry car key from signals amplification theft with this blocking pouches, crafted from premium PU and reinforced shielding materials for vehicle defense . with a fully enclosed design and build in keyring, this small 13x9cm pouches ensures complete and electromagnetic signals blocking while offering convenient portability. Ideal for modern auto owners with keyless entry systems, this not theft key protector safeguards against relays attacks and unapproved access. Use this bag during travel, parking in public spaces, or daily routines to prevent hackers from intercepting your car key signals or demagnetizing credit cards. Engineered with thickened shielding layer and a practical external hook, this blocking key organizers combines cautious defense with easy accessibility for automotive security needs. Specifications: Component : Artificial leather Size: about 1.9x9.6x18.7cm/0.74x3.78x7.36inch Package Includes: 1xKey Protector Bag note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.