SPRING, doorstopper that is designed to hold your door in a simple way and it can be installed on almost any solid floor without any drilling. The doorstop is attached with high-quality 3M adhesive tape and can be removed at any time without leaving any residue. As soon as the SPRING is installed, the door remains open. To unlock it, simply press the SPRING pedal with your foot and pull the door over the resistor. Since little force is needed to open and close the door, SPRING can also be used by smaller children and people with physical disabilities.