Whiskey stones are made of finest natural granite, effective and fast to use, safe and assured Just put whiskey rocks in the fridge in advance, then add 2 - 3 stones into glasses, enjoy the cool taste any time and place All bar accessories are packaged in elegant wooden box, whether it's for friends or relatives, birthdays or holidays or parties, it's a great choice 8 functional natural granites, 2 large crystal whiskey shot glasses (2.8''x3.2''), 1 tong and 1 black velvet bag (Easy to use and store)