Packaging size: 6 types of hourglasses of different colors, with good packaging. Black 30, blue 1 minute, pink 2 minutes, yellow 3 minutes, green 5 minutes, red 10 minutes, for different needs. Each part is 8.6 cm long and 2.4 cm in diameter. High quality materials: the hourglass is made of durable PVC, ABS, glass tube and sand. It can be stable on a horizontal surface like an office. Shock resistant, not easy to fall. Simple and practical: just put it flat on the desk or on a flat place, and the hourglass is light and small and practical to transport. Large range of applications: The six -color hourglass timer is suitable for many occasions such as kitchens, classrooms, countdown games, exercises and offices. It can also be used as egg clock, tea clock, shower clock, toothbrush clock, etc. The ideal hourglass for children and adults. Note: this is a hourglass specially designed for games. It is not a chronograph device, so there can be a time shift.