G.W. Schleidt STW1218-B 5-1/4-Inch Two-in-One Timer in Black Frame, 3-Minute and 5-Minute Two-in-one timer in black frame Sand flows through one hourglass in 5-minutes and the second hourglass in 3 minutes 5-1/4-inch tall timer is perfect for indoor and outdoor use Traditional hourglass shape Open wood frame with two glass timers inside