The large knotboard w/ clock/hygrometer/thermometer measures 16.75"H x 28"L x 2.5"W. The knotboard features many rope knots along with pulleys,a ship wheel & 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.