Command White Large Picture Hanging Strips 17206 4sets. One retail card containing four matched sets of white Large picture-hanging strips, model 17206. Each set is a pair of interlocking strips, for eight individual strips in total. Directions: Clean the surface with isopropyl rubbing alcohol and let it dry. Do not use household cleaners. Click matching strips together and apply them to the frame and wall as shown on the package, pressing firmly for 30 seconds. Peel the frame away from the bottom rather than pulling straight out. Press each area of each wall strip for 30 seconds, then wait one hour before remounting the frame. Warnings: Failure to follow the instructions can cause damage or injury. Do not hang valuable items, objects more than two inches thick, items over beds, or items on wallpaper. Follow all package instructions for surface preparation and placement.