SuLiao Hourglass 30 Minute Sand Timer: 5.1 Inch Black Sand Clock, Extra Reloj De Arena, Unity Hour Glass Sandglass, Games, Classroom, Home, Desk, Office, Decoration

SuLiao Hourglass 30 Minute Sand Timer: 5.1 Inch Black Sand Clock, Extra Reloj De Arena, Unity Hour Glass Sandglass, Games, Classroom, Home, Desk, Office, Decoration

• Safety Hourglass Timer: The large sand timer 30 minute 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 30 min hourglass sand timer is mainly made for games, which is not a precision timing device, so there is time deviation. But SuLiao 30 min hourglass 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!