Callaway Odyssey White Hot Pro Mallet Putter Headcover, Heel Shaft, Black Designed for Odyssey White Hot Pro, Covers most Odyssey mallet putters Tour-inspired looks. With ODYSSEY logos. Synthetic PU Leather. Velvet Lining. Magnetic locking device. Inner Size: 4-3/4 x 3-1/2 x 1 inch (120 x 90 x 30mm, wide x deep x height)