Micro Pebble with Glass is a step up from Mini Pebble, it is the new generation of pebbles. Having smaller pebbles gives the surface a smoother feel compared to the older pebble products. It is also the strongest surface available, giving it an average life of 20 + years. It comes with glass beads to enhance the beauty of the pebble product. Backed up by 10 full years of warranty, which is transferable.