Peel stick putt- alignment system is made of ultra-lightweight durable, flexible plastic which attaches to any putter with re-usable velcro and transforms any putter into a multi-ball putter, instantly and inexpensively. Actual size is 1 5/8"x3 1/8".Its targeted to golfers of all ages and skill levels. The unique design of the arrows are easy for the eye to follow and the color red helps you stay focused down on the golf ball allowing for the user to align their putts more accurately. Easy to use! Simple to attach! View website for more information product featured in dec 2004 golf journal magazine in Germany.