Package content: this set contains 6 butterfly spring Door Close, enough for daily use and replacement Allows you to automatically close the door and solve the problem of family member forgetting to close the door and pet can enter and exits unhindered : without drilling Simply close the door, pull the hinges pin to up, slide Door Close spring slightly to it and then fold it open to create tension in the spring Make of steel for long durability Both ends of Door Close is coated with flexible rubber, which is less prone to noise and frictions Great for wardrobe door, kitchen cabinet door, bedroom cabinet door, bathroom door, storage door, Manufacturer: YROHGKPN