1. Clean the place where you want the shelf to be installed. 2. Tear off the back film of the adhesive, stick the adhesive in the area that has been cleaned. 3. Place the shelf in the installation position, pull the shelf down, squeeze the shelf into the groove. How to remove: If you need to tear off the installed adhesive, you can use a hair dryer to heat the adhesive surface, then tear it off. Where to use: Works on a variety of surfaces. Ideal for bathroom, cabinet, kitchen to organize your space in neat. Powerful adhesive makes sure that it attaches surface firmly. The shelf is made of Food Grade Plastic material which keeps the quality and beauty of the product. Kindly please be advised that: 1. ONLY stick the shelf on smooth hard surfaces. 2. Please DON’T stick the shelf on painted walls or wallpapers as it will take off your paint or wallpapers.