Addalock Portable Door Lock
This door lock can be installed and removed in seconds on any door that opens inwards, adding additional safety, security, and privacy. With a metal body engraved with the add-A-lock logo and a red storage pouch, this keychain has an attractive design. The price drops from $31.99 to $17.95. Shipping is free for prime members and nonmembers get free shipping over $25.