Keep The Door OpenKeep all open doors in your home or anywhere else by passing a door stopper over the doorway, preventing doors from suddenly closing and catching your baby hands or preventing your children and pets from accidentally locking the door. Safety Rubber MateriaThe door wedge is made of rubber (material, odourless, metal-free, non-toxic). Safety and environment. It can be used in homes or offices with children or pets, The non-slip design door stop with good flexibility and elasticity, No need to worry about sliding at all. Fit Most Door GapsThe door wedge is sloping in shapeof (to fit gaps from 0.16" to 1.1") and our wedges come with a height-adjustable stacking mechanism so that you could stack 2 doorstops to fit the gaps from 0.32" to 2.2", so this will Suitable for almost any door gap and you can buy with confidence. Extra Holder for Storage Each rubber door stopper comes with an additional holder for storing the door stopper. You can attach it to the door or wall, without using the door stopper wedge and place it inside the holder in case it is lost. Suitable Floor Types Work well on most Doors &Floors such as tiles, carpet, laminate floors, wood door, metal door, glass door, self-closing door, heavy door, household doors, standard doors, big doors, commercial doors.