This set includes 9 chill stones and a practical velvet storage pouch. The stones are cut from recycled soapstone and are very easy to use. Just wash them and place in the freezer. This way they are ready for use anytime. Thanks to their unique shape they will easily roll down your glass without damaging it. These stones will not water down and weaken the taste of your drink. The Chill Stones can be used in any drink. After use just rince and dry.