Instant door security wherever you stay. The DoorShield Portable Door Brace installs in seconds with its strong suction-cup mount - no tools, no drilling, no batteries. Machined from aircraft-grade aluminum alloy, it jams the door shut against forced entry for real peace of mind in hotels, Airbnbs, apartments, dorms, and rental rooms. Deploys and removes in seconds, slips into any bag. Pairs perfectly with our SafeStay Portable Door Lock for two layers of door security.