Package Includes: 2 x Trash Bag Dispenser, 2 x Adhesive Size: Large:10.63*6.42*7.09inch/27*16.3*18cm Small:9.84*5.51*5.71inch/25*14*14.5cm Friendly Tips: 1.If you choose to install the trash bag dispenser on the wall, simply clean and dry the surface first. Then press the adhesive onto the wall for about 10 seconds. Wait for 24 hours before hanging the stainless steel basket and starting to use it. 2.The self-adhesive strip is suitable for sticking on smooth and solid surfaces. It is not suitable for uneven surfaces such as lime walls, painted walls, and wallpaper. 3.If you need to remove the self-adhesive strip, just use a hair dryer to continuously heat the adhesive until it can be removed.