4 Time Setting: 5 minute hourglass for you to close your eyes, relax after work fatigue, relieve vision fatigue; The 10 minute sand timer helps you warm up for better exercise and fitness; 15 minutes sand glass, set the competition time; The 30 minute sand clock helps you eat without procrastinating and develop healthy habits. Selected Material : Our sturdy and durable sand timers are made of durable PVC, instead of cheap plastic,not easy to break. This plastic sand hourglass is safe, non-toxic and of guaranteed quality, making it a great toy for kids and a timekeeper. All in all, this is a wonderful sand watch clock that kids can't miss.
