With two-way stop you can avoid the child's fingers getting pinched You can position and release the door stop by threading it on one side of the door stop depending on which way you want to open or close the door. It keeps the door in a secure position as the rubber feet keep the door stopper in place on almost any type of floor. The doorstop comes in 100% biodegradable packaging that is Cradle to Cradle certified. This means that the packaging will break down naturally so it doesn't leave anything that could harm our planet. This way you can protect your little nugget from accidents and take responsibility for the world your child grows up in. - Minimum distance under the door = 1.2 cm - 1 pack p>