(Hold Doors Firmly) These non-skid stoppers are designed with grooved base and small bulges on surface so as to increase the force of friction and strong gripping power. They are useful and effective to keep doors firmly in place and prevent the doors from slamming,slipping and sliding. (Perfectly fit) These door holders are suitable for all surfaces, such as wood, carpet, tile, cement and so on.They can hold wood door, metal door, glass door, self-closing door, laminate floors, heavy door, household doors, standard doors, big doors, commercial doors etc.. (Many Occasions Applicable) These door shields are available for different doors at different places - bedroom, kitchen, bathroom, children's room, office ,warehouse,school shop etc- to keep the door open at right angle and prevent from slamming doors, pinching fingers and trapping pets in rooms. (Adjustable Height) These slip-resistant door wedges can be stacked to modify thickness for different clearance. 0.59inch/1.5cm for one stopper and 6 door stoppers could be stacked together for fitting maximum gaps up to 3.54inch/9cm to accommodate wide spaces between door and floor. (Safe,Durable and Eco-friendly) These sloping bases are made of qualified and superior rubber. They are odorless, non-toxic and recyclable to stay healthy for your family and protect environment. The rubber material is so soft that won' damage or scratch the door or floor,but it's strong enough to hold the door. door wedge stoppers are well-designed to keep door open firmly so as to create a facilitative space and a safe circumstance,especially for kids, elders and pets. Quieter Effectively avoid the wind, the mischievous child or the animals closing or opening the door suddenly and making a loud noise to frighten the surroundings. They are also a good assistant to keep the baby sleeping. colour:Silver gray Material:rubber size:9.5*1.5*4cm Package Contents: 6 * door wedges Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.