The Magnetic Baby Locks are as described on the product description page. There are 4 magnetic locks and one magnetic key with this set. It comes with mounting hardware screws and 3M adhesive for your installation convenience. They even include extra 3M tape. I like this kind of a door latch for baby proofing. Please use discretion when using the unlocking mechanism because babies and toddlers can figure things out pretty quickly if they mimic what the caregiver does when unlocking the cabinet. Keep all those harsh chemicals up high and please use some type of cabinet lock where they are located. This would make a wonderful present for new parents or grandparents. I used a promo code discount to get this for free.