This special edition Wellputt Blue mat is made in collaboration with the 150th Edition of the Open. With enhanced contrasts to allow for better visibility of the mapping areas. Used by the best professional players, Wellputt mats are the best putting mats ever created! Their patented design and rolling is tested by engineers and coach Cameron McCormick for the ultimate putting mat. Wellputt mats are designed and engineered to train and develop those sought after putting skills that allow you to just not putt, but putt well. All aspects of the putting stroke can be developed including alignment, touch, length and speed. More than 50 training exercises and instructions are available via the Wellputt app. This special edition matt is of the finest quality and will provide years of vital putting practice. The quality is such that the matt comes with a lifetime manufacture warranty.