wuudi Whiskey Stones Stainless Steel Reusable Wine Cooling Cubes with Ice Tongs, Whiskey Chilling Rocks, Whisky Ice Stones (8 Pieces) Designed to be reusable, No pollution. Environmentally safe.FDA Certificate and BPA free. The storage box better than pouch for frozen and storage in freezer.To keep them clean and organized.And storage tray keeps your whiskey stones clean and to organize them during freezing. Solid Stainless Steel Material contains natural antibacterial properties. Never rusts or corrodes or wears.Easy to use and clean. It's different from others' soapstone material, which is fragile and can disintegrate over time. Cool your wine while retaining its flavor. Retains the cold of your drink for a longer time without diluting them. They sure do not dilute your drink either! Elegant presentation box makes our Whiskey Stones set suitable for any gift-giving occasion. Such as a unique gifts for: Valentine's Day /"I am sorry" gift /wine lovers.