Features: Reliable quality: Made of durable PVC, quality borosilicate glass, non-toxic sand, not easy to be broken Multiple applications: The sand timers also work well for cooking, timed test, time management, exercising timer Specification: Material: PVC, borosilicate glass, sand Color: blue, red, purple, yellow Quantity: 4 pieces Package quantity: 4 x Sand timers Note: Glass product, please be careful when use
