1.Package : The item is a set of 24piece hourglass sand clock timers in different colors, which includes four 30 second sandglass, four 1 min sandglass, four 2 min sandglass, four 3 mins sandglass, four 5 mins sandglass , four 10 mins sandglass,Each Size: about 8.5×2.5cm, you can choose some one of sandglass as your needs. 2.Material : Our sturdy and durable sand timers are made of durable PVC, instead of cheap plastic,not easy to break. 3.Functions : Ideal for timing cooking,playing games,exercising and so on,also act as a wonderful decoration for your home and office. 4.Used widely : our colored sand timers are not only great to look at, they can also be used for a variety of applications such as tooth brushing, Kitchen, Classroom, Gamesitting still, reading quietly or during games Exercising Timer. Great Gift for Your .