Practice,at 12 x 6inches the putting alignment is perfect to use on your putting mat at-home or on the course putting green to groove-your putting.this putting aid is small enough to easily fit into any golf bag and travel with-you. Wonderful,sweet-warm for friend family-golf fan,or yourself. Make more-putts,practice the perfect putting setup-using the putting alignment lines,guidelines and face and will have the perfect starting-line,face angle-and eye placement.this putting aid will help-you practice the perfect putt every-time. Create for precision-training.sweet-spot training with the putter gate.path-gates.length.this training-aid is small and compact in-size. Mirrored-surfaces-for instant-feedback.see your eye position,head movement,putter face alignment.