Premium putting mirror with ball cutout to putt directly from the green. Designed with alignment markers, the putting mirror helps practice consistent head and eye alignment by properly setting up each time. The built-in slots can create putt gates with tees for most putter heads. Convenient size for throwing in almost any golf bag, take it to and from the practice green. Measures 6 1/2"x 12". FEATURES Premium putting mirror with cutout to putt ball directly from on the green Alignment markers and mirror to practice proper head and eye alignment Slots to create putt gates with tees for any putter head Putter path lines for square takeback and follow through Convenient size for throwing in golf bag to take to the practice green Non-slip base mirror measures 6 1/2" x 12"