Features: Design: The golf putting mirror features a larger and lightweight design with a clearer reflection. The rod-out ranges reference helps you control your back swing for improved accuracy. Putter gate slots: Insert a gate of tees for the toe and heel of the putter to learn to swing and back-swing controls. Golf putting mirror a useful tool for improving your putting skills. Portable & easy to use: This golf putting aid is simple to use and portable, it can be use on your putting mat at home or on the course putting green to grooves your putting stroke. Prfessional golf training equipment: This golf training aids is great for warming up before a round and offer for many golfers. This putting training aids will help you practice the wonderful putt. Instantly feedback: The mirror outside provides instantly feedback on your eye position, head movement, and putter face alignment. Practice anywhere with this putting alignment mirror. Specifications: Material: Acrylic Lenses, PVC Board Color: As The Picture Shows Package Weight: approx.140g Size: approx.31x14.5x4cm/12.20x5.70x1.57in (More Size Detail, Please See Photo.) Package Includes: 1Pc Golf Putting Alignment Mirror note: Please allow 1-2cm error due to manual measurement. Please make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks!