These are for locking doors, shelves, etc. There are three types. 1: Richell Opening Door Lock R Locks opening doors of cabinets, kitchens, etc. Suction cup type One package of 2 is new. Two used ones are also included. (Only one pair of auxiliary plates is included) 2: Purchased on Amazon Type that attaches with double-sided tape Some are unused, but the tape on the back has been completely peeled off by a child. Please prepare your own tape for use. 3: Purchased on Amazon These are all new. New items are also stored at home. Please refrain from purchasing if you are concerned about minor details.