Magnetic Hourglass: The elegant magnetic sandglass timer 1 min make it easy to track your work, measure your progress, and prevent burnout with a time out. Precise Time:The magnet 1 minute sand timer has achived to the highest quality ±10% industry standard in the USA. Perfect Design:Clear Round Shape for an Amazing Peaceful Elegant Look.The minimalist white & black Magnetic Hourglass Set includes a big hourglass timer 30 minute & a small magnet 2 minute sand timer.