● The internal hourglass slowly moves through the outer glass tube in approximately 15 seconds. ● Unlike a typical hourglass, this is not for precise time measurement, but rather an interior hourglass that provides visual relaxation. ● It has been stored in a glass cabinet for a long time. Please consider purchasing if you understand that it has been stored at home. ● It will be shipped via Takkyubin Compact. - Height: Approximately 16cm - Diameter: Approximately 3.5cm - Hourglass time: Approximately 90 seconds Thank you for viewing.