The knotboard w/ clock/hygrometer/thermometer measures 17.50"H x 23.25"L. The knotboard features many rope knots along with a pulley,a ship wheel,a life ring & a tall ship. It also has a clock,hygrometer and thermometer near it's base. It will add a definite nautical touch to whatever room it is placed in and is a must have for those who appreciate high quality nautical decor. It makes a great gift and impressive decoration.