AllGreen Pacific Professional Portable Golf Putting Green Indoor/Outdoor Training Mat Simulates the surfaces of real golf courses Designed for golf greens, backyard putting greens, practice greens, driving ranges, and putting courses 100% Lead-free & eco-friendly. 48 oz face weight. Pile height: 0.75 in. Ideal for indoor and outdoor residential or office use Superlative longevity: lasts for 20 years under light or average use