What You Get: 32 Pairs of , White Picture Hanging Strips (64 Strips Total) Works On A Of Surfaces: X- wall hanging strips bond to a of surfaces that include painted walls, painted cinderblock and concrete surfaces for damage free hanging Surface Prep: Clean the desired surface with to remove grime and dust to allow the no damage wall hangers to bond to the surface; the indoor temperature must be between 50 degrees Fahrenheit and 105 degrees Fahrenheit Easy To Use: Easy to Be Used on Frames or Decorations without Any Tools, No nails No hammer Versatile: Can Be Used for Most Surfaces, Like Glass, Tile, Metal, Finished Wood (Painted or Varnished Shiplap, Cabinets, or Doors), Painted Concrete Cinder Block, Laminates Etc. Do not recommend to use on painted walls Color: White Material: rubber Package Contents: 32 x Hanging Strips Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.