Quad Lock Universal Bike Mount Kit - Black Will not adhere to curved surfaces, Silicon, TPU, Rubber or rubberized materials, heavily textured materials Perfect for bicycles, motorcycles, strollers, carts, etc. Patended 3M VHB adhesive will secure your smartphones to almost any surface Easy to install Includes 1 Adhesive Universal Adapter, 1 Quad Lock Bike Mount, 2 small o-rings, 2 large o-rings, and 2 zip ties NOTE: The 3M VHB adhesive will adhere to smooth, non textured, non-porous surfaces such as plastic and metal. It will NOT adhere to rubber, silicon, TPU or soft touch coatings. Please ensure the application surface is thoroughly cleaned and dry before applying the adaptor. The 3M VHB adhesive is a single use adhesive. It is NOT re-usable.