UP FOR SALE IS A VISKI GLACIER ROCKS STAINLESS STEEL SPHERE # 3425.THIS SST SPHERE IS IN EXCELLENT CONDITION AND HAS NEVER BEEN USED. FREEZE FOR A COUPLE HOURS DROP IN IN A GLASS AND POUR YOUR DRINK OVER IT AND NO MORE WATERED DOWN DRINKS LIKE IT WOULD BE WITH ICE CUBES. THIS ITEM COMES FROM A SMOKE AND PET FREE HOME.