PREMIUM SYNTHETIC TURF : 16 mm True-turf surface simulates hitting from a real fairway or tee box. ULTRA DURABLE RUBBER BACKING: Rubber Base offer excellent shock absorption in all conditions . Features non-slip ,non-smell and Resistant to Wear & Tear . TRUE TURF FEELING & REAL PRACTICE : The synthetic turf has a real turf feeling that helps you to do practical exercises every time. 100% SATISFACTION GURANTEE – We are pleased to be able to provide a 30 days 100% satisfaction guarantee for every champkey customer.if you have any questions,please contact us !