Safety Sand Timer: The large hour glasses with sand 60 minutes made by friendly high borosilicate glass, 100% hand-blown made clear glass. And each one has a number of time mark. You can easy to distinguish which timer for which usage.
Precise Timer: This 60 min hourglass sand timer is mainly made for games, which is not a precision timing device, so there is time deviation. But SuLiao one hour sand timer has achieved the highest quality ±5% industry standard in the USA
Practical Sand Timer: It is both a work of art and a useful time tool. SuLiao Sand Timer provides an optimal time frame for work and rest. Meanwhile, fit for your Home, Office, Desk, Science, and Education. Makes a thoughtful gift for any occasion.
Durable Design: We have increased the thickness of the glass from 1.55mm to 1.83mm. So, the sand timers set is not easily broken, and it will not easily cut your children's hands
Guarantee: Our kids hourglass timer sand clocks 100% has been strictly tested by the factory. If you are not completely satisfied with it, pls CONTACT US BEFORE REVIEW and we'll sort it out for you!
