Desks -Desktop Plastic Hourglass Glass Timer Random Color Desktop 5 min Highlights Generic Brand Desktop Plastic Hourglass Glass Glass Timer Random Color Desktop 5 min Description: An accurate hourglass, durable, easy to see (colorful), hermetically sealed Each timer measures 2.5 x 5.1 inches, time verification varies with sand volume Cylindrical case; sand flows very well, no shaking to keep working Help to do time check, 5mins/10mins/15mins/20mins/30mins are available in our store. Not only a timer for those who forget the smartphone and don't have a stopwatch function, for kids or home kitchen timer, but also a great decoration on your desk as a reminder of efficiency specification: Material Material: plastic, sand and glass Size: 6.4 x 13 cm Time process: 5 minutes / 10 minutes / 20 minutes / 15 minutes / 30 minutes Package includes: 1 sand timer (random color) Note: Please , understand sand hourglass timer can be 10% time deviation, NOT full stopwatch