Product details Features: High quality sand timer designed to withstand the hot and steamy environment of a sauna room. 15 minutes length of time to enjoy a sauna session. Also includes 5 and 10 minute approximation markers for shorter sessions. Made with beautiful wood to match your sauna room. Safely use in sauna room for the optimum amount of time with our 15 minutes sand timer. Under certain climatic conditions, a light film can form on the inside of the glass cylinder. This is not a production defect but a natural appearance due to static charging. Specification: Dimensions: 29 x 5 x 1.5 cm. Material: wood and glass. Color:as picture shown. Package Included: 1 x sauna hourglass.