1. 30 minutes hourglass (5% time difference)2. Size: 8.5x19cm.3. The hourglass can be used as a gift for friends, Year's gifts, and holiday gifts. Unique creative memories. It can be widely used for cooking, playing board games, or as a teaching aid.4. You can also use the hourglass as a home decoration, simple but beautiful. It can be widely used for cooking, playing board games, exercising, or as a teaching tool. It is also fashionable to put an hourglass on the table. Exquisite design, bright colors, suitable for home or family use, desktop display.5. The hourglass sand is slowly flowing, the hourglass is a healthy time management method, you can enjoy beautiful times and fond memories.colour: whiteMaterial: glass+woodPackage Contents:1 x HourglassOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.