Durable Design: Our rubber plugs are soft and durable with a textured non-slip surface. Each door stopper measures 2.5cm high, 13cm long and 4cm wide. Storage rack: the included holder can be fixed directly to the door or to the wall with adhesive tape 3M to keep the rubber wedge in place when not in use. Helpful Tools: High quality non-slip door stoppers can prevent the door from suddenly closing to catch your hands, or prevent your children from accidentally locking the door by sliding the door stoppers over the gap of the door. Non-slip design: The black rubber door stoppers are made of soft rubber and feature a ribbed bottom to ensure floors and your door are not damaged by door stopper contact. Wide Application: Door stopper helps stabilize and level shelves, tables, counters beds, windows, closets, uneven sheds, and can also be placed on tile , parquet, laminate, marble, cement and more.