[Well Made Hourglass Sand Timer] Timers is made of durable PVC(protective cover) and transparent glass, high borosilicate glass and sand that is runs smoothly. Dimension: 3.7x1.6 inch [Counting Time] 5minutes, Please allow with 10% time deviation as the timer are not mechanical clock. Sand timers are very suitable for games counting time, add more fun and game atmosphere [Child safety] The hourglass timer has a double protection design. The outer tube is made of high-strength acrylic material. Two ABS plastic covers are embedded with shock-absorbing foam to protect the inner glass tube. It can prevent personal injury from glass breakage caused by accidental fall from high altitude [Sand Timer for Kids and Adult] The timer can be used for helping children and adult build a visual concept of time in many situations. To help monitor various times, such as play, bath or bedtime, etc. Sharing and encourage management time with family or friends [Simple style] It can be used for decoration of various scenes such as office, dining room, window, dressing table and collection cabinet Hourglass Sand Timer 5 Minutes