Rotating Sand Timer: The hourglass can 360° adjust angle. By flipping the sandglass, you give yourself 60 minutes uninterrupted workflow that encourages independence and increase productivity of your works. Special Design:This hourglass sand timer ,a vintage brass sand clock,is heart-shaped and means "LOVE".The excellent design will suprise you while you are watching. Precise Time: The revolving hourglass has achieved the highest quality ±10% industry standard in the USA.The big hourglass timer can help you to follow up on the work easily, and to prevent the fatigue caused by overtime working.