Golf Practice Swing Mat Golf Power Trainer turn shot/string shot/free shot At home,garden,every day to practice,exercise the body, high-end golf canimprove skills and experience The advantage of upgrade one : 1) use import nylon grass than common grass, not easy to fall,the height is 5mm higher than common one 2)the grass is softer than common one, the elasticity is great, after hitting, the grass will return to the original state immediately, and reduce the damage of the club head Comes with instruction, easy to install