Command??Outdoor Window Hooks are perfect for hanging wreaths, signs, thermometers, or other seasonal decorations directly to the outside of your window. Using a new formulation of the revolutionary Command??Adhesive, these Outdoor Hooks are made to work outside and can handle temperature extremes from 20 degrees F to 125 degrees F! And like all Command??Products, they come off leaving no marks or sticky residue so you can use them over and over again.