【Adjustable Height】 The rubber door stoppers can be stacked as desired, the height can be adjusted and it does not fall easily. 1 door stop minimum gap 3 mm, maximum gaps 14.5 mm, 4 door stops can be stacked together, maximum gaps 58 mm, so you can use it almost anywhere. 【Non-Scratchy and Non-Slip】 door stopper wedge with a unique beveled design and non-slip base, excellent friction and grip ensure that the door does not slip. The soft rubber ensures that neither your floors nor your doors will be damaged by contact with the door stopper. 【High-quality Material】The door stoppers are made of non-toxic, superior quality rubber, no unpleasant odor, good flexibility, not easy to deform, very durable, can reduce the noise when closing doors, can still be recycled even after many years. 【Easy to use】Turn the door to the desired fixed angle, then simply place the wedge between the floor and the door and no drilling of holes or tape required, door can be repaired. Applicable scenarios: door stop is suitable for all floor types, carpet, parquet or tiles, for all types of doors, such as wooden doors, metal doors, glass doors, front doors, warehouse doors, especially thick and heavy doors., Manufacturer: Glanzend