This hourglass is made of glass and wood materials, it is durable and safe. Clear calibration with detail makes it creative. Suitable for timing, sauna room, dry steam room and so on. Five minutes is one scale, total time is minutes Features -Color:Blue -Material:Wood, glass, sand -Size:29.00X5.00X1.60cm/11.40X1.97X0.63in -Simple design: Made of nice glass and wood material with a very simple design, but it is practical in the use process -Small size: Lightweight, you can carry it easily and conveniently. Multi-polishing with smooth surface and appearance -Enjoyable: 15 minute hourglass timers may be more enjoyable, helping you stay focused and efficient for a long time -Excellent workmanship: The excellent workmanship of our product will bring you a good experience -Classic: Send it to your friends as a present, making them happy. Classic hourglass design, very easy to operate Package list: 3 Sauna Timer