Quantity: 1 pcSand Color:blue，green，black，white， purple，yellow and redDiameter: 7.5cm or 3 inches Height: 20cm or 7.9 inches Main Material: glass and sandThe sandglass can be both a gift and a medical device(it is very beautiful to decorate your room，desk-----)Hourglass symbolize of love and friendship， as well as happiness. And this refers to that we should be eternal happiness， and forever cherish the love and friendship! Time elapsed; things are changing， time flies， memory disappear， when the miss is no longer， the memories are extravagant hopes， and the forgotten time will be sink in my heart.