There are double magnetic head adsorption, strong suction, bounce open strong, strong and durable. And it is simple to install, a press that is open, free from the installation of the puller. Designed with hidden mounting holes, this bouncer has a hidden base and removable base that can be separated by lifting the tail button upward while pushing the base backward again. It is constructed of metal material. The length, width and height of this product are 6.2cm, 3.9cm and 2.2cm when it is not bounced off. It is suitable compatible doors, storage doors, closets, drawers, hidden doors, etc. Item Name: Door Rebounder Material: Metal Features: Buffer, Magnetic Attraction, Convenience Size Details: Unexploded Size: 6.2cm x 3.9cm x 2.2cm/2.44" x 1.54" x 0.87" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Door Rebounder 1 x Metal Suction Plate 6 x Screws