With the Fat Gecko Stick-It adhesive disc, you can create a smooth, non-porous, mountable surface for your Fat Gecko Suction Mount (or any suction cup based mount) just about anywhere. Each Stick-It Disc utilizes a special, patented 3M adhesive that conforms to most surfaces to form a reliable and permanent hold. Attach it to concrete, stucco, paint, plastic, metal and much more; the possibilities are endless! Each 4" (diameter) smooth aluminum disc is able to hold up to 5 lbs. Includes 2 Fat Gecko Stick-It adhesive discs