Golfballs.com's exclusive AlignXL™ features a durable, Tour-Proven golf ball alignment aid that includes a line halfway around the golf ball, and is available on balls from golf's top brands! Plus, you can add your own personalization directly inside the line! Gone are the days of the messy markers that rub off after one stroke. We've combined 20 years of golf customization experience with the demands of golf's very best players to create a personalized golf ball alignment aid that will truly help to improve your game.