Made of high quality plastic for the shell which is much safer than glass when it is accidentally dropped This hourglass can be used for counting time while cooking, playing games, exercising, etc. Different colors for different time, 3/10/20/30/60 minutes hourglass are available, to meet your different demands Stylish design, bright color, suitable for home or office It is also a meaningful gift for loved ones or to educate children to cherish time Product Material The double protection is made of high quality plastic for the shell, which is much more secure and thicker. Double protection is more robust. Flow Uniformly The sand leak is small and hard, so the sand flows smoothly.Soft Sea Sand The sand is fine and does not adhere to the glass and flows gently. Properties: The hexagonal base is protected, secure and not broken Can be used for cooking, playing, exercising, etc. Stylish design, suitable for home or office, but also a meaningful gift for loved ones. Specific: Condition: 100% new Material: PVC + ABS + Glas + Sand Optional yellow type: 3 minutes, 10 green, 20 orange, 30 red, 60 blue Size: Approx 8.2 x 16cm / 8.2 x 16cm Weight: Approx. 239 ~ 258 g Package contents: 1 x hourglass