Features: Made of durable PVC, high borosilicate , sand and protective cover, which allows it not easy broken. Ideal for games, classroom use, cooking, exercising, regular cooking and so on. This sand timer is not a precision timing device, so there may have time deviation. Great for decorating office, the sitting room and marriage room can also as birthday or Christmas gift. This hourglass can last 3 minutes, suitable for children to brush their teeth. Specifications: Material: plastic, and sand Color: blue, red, yellow, pink (Optional) Time: 3 minutes Length: about 9 cm x 4.7 cm Package Size: 10*5*5cm / 3.94*1.97*1.97oz Package Weight: 46g / 1.62oz Package Includes: 1 * Sand timer