Therm-A-Seat Ice Hole Cover 12 1/2"

Slows, even prevents your ice fishing hole from freezing. These closed cell foam insulator covers will fit any hole up to 11". They are 11.5" in diameter by 3/4" thick and they come with a slit and center hole which makes it easy to slip in your tip up.SPECS: 501 12-1/2" BLACK