Quality: The self-adhesive door stoppers are made of high-quality stainless steel. The soft rubber pad ensures optimal buffering quality. High adhesion and does not fall off easily. PROTECTIVE RUBBER PAD: Size 4.5 x 4.5 x 2.5 cm. The rubber door stops can prevent collision between the door and the wall. The rubber pad has a good cushioning effect, prevents damage to the wall after collision, and reduces collision noise. Easy installation: The floor door stopper requires no screws or drilling. Simply peel off the adhesive film from the no-drill door stopper and attach it to the desired position. The stainless steel stoppers can be removed without leaving any traces with a simple twist. Widely used: The self-adhesive door stopper is suitable for all smooth floors, such as stone floors, tiles, vinyl, laminate, and parquet. Note: The adhesive tape is not suitable for humid environments such as bathrooms. Package Contents: You will receive 4 metal door stops. If you have any questions,