Package: 6 door wedges in black, enough to meet your needs of closing the doors; Material: made of plastic and it will help prevent your dogs from chewing up the door stopper Dimension: length is 11.9 cm; Front width: 2.5 cm; Back width: 3.7 cm; Height: 2.2 cm; Make sure the size when you buy this item and apply them Suitable placement area: these door stopper will fit the area under any of your doors putting anywhere 2.2 cm off the floor; When the distance is more than 2.2 cm, you can stack them up to apply Good for rough surface: these door stop wedges can be placed on the wood, cement, tiles and carpet; Relatively rough surface will be better Door wedges application: these door wedges can serve as a helpful tool for windows, metal door, glass door, wood door, self-closing door, household doors and so on Dear customer, Thank you for choosing our products. If there is any problem with our products, please contact us through the order information. We will be happy to serve you and solve it for you as soon as possible within 12 hours, thank you!