Feature: 1. You can practice on 4 different types of turf, 40mm/1.6in thick turf, 35mm/1.4in tee turf, 20mm/0.8in fairway turf, and 10mm/0.4in common turf. The Four Grasses from Left to Right : PP grass, four-color long grass, sand-inlaid grass, and Tee grass.