Parker's Perfect features the world's best jewelry cleaner and lens or eyewear defogger on the market today. Our jewelry cleaner is safe for all jewelry including gold, diamonds, opals, pearls, rubies, sapphires, and turquoise to name a few. Our defogger works on any lens or eyewear piece, mirror, or glass window in all fields from astronomy and fishing to hunting and medical. Gene Parker, our owner, invented both products.