This Safety Hourglass Sand Timer, crafted with robust ABS and shatter-proof borosilicate glass, features vibrant, safe sand within. It's an indispensable aid for various activities like studying, cooking, working out, and gaming. It's also an excellent resource to help children manage their time effectively and acquire a robust understanding of time boundaries. Fitting for a multitude of settings - be it at home, in the classroom, or in the office. Select from 5, 10, 20,30, or 60-minute durations. Measuring 5” in height and 2.13” in diameter, it's a versatile and reliable timekeeping companion.