SCIENTIFICALLY CALIBRATED 3% INCLINE: Turn your walking pad or treadmill into a real uphill workout! This 3% incline naturally boosts intensity and maximizes calorie burn, just like hiking on real terrain NON-SLIP & STABLE FIT: Designed to stay firmly locked in place with zero slippage during your walk or run, so you can focus on your workout without worrying about stability LONG SERVICE LIFE: The treadmill incline riser blocks designed for Maksone walking pad; Constructed from high-quality TPU for superior shock absorbing performance and long-term resilience