Made of ABS and steel material, rust resistant, sturdy and a reliable key safe box. |It is tightly sealed and waterproof, durable enough for the house key and outside key storage.|4-digit combination can be reset as needed for enhanced security; lock offers 10,000+ possible combinations.|You can hangs it anywhere easily including doorknob, metal fence, railing, and pipe, no tools needed.|Suitable for emergency entry, pet sitters daily activities, friends and real estate business, etc. Made of ABS and steel material, rust resistant, sturdy and a reliable key safe box |It is tightly sealed and waterproof, durable enough for the house key and outside key storage |4-digit combination can be reset as needed for enhanced security; lock offers 10,000+ possible combinations |You can hangs it anywhere easily including doorknob, metal fence, railing, and pipe, no tools needed |Suitable for emergency entry, pet sitters daily activities, friends and real estate business, etc