NPT StoneScapes® Touch of Glass AQUA COOL 3 TOUCH OF GLASS Aqua Cool 3 Pebble Pool Finish Parent Kit with 3 Bags of Cobalt Blue Glass Bead. Add pizzazz to your pebble pool finish with a Touch of Glass! These unique StoneScapes® finishes are accented with sparkling glass beads. From a subtle sprinkling, to an equal measure of pebble and glass beads, our exclusive StoneScapes® Touch of Glass recipes can give your pool the precise look and feel you desire.