ETPU Saddle Features: 1. Low density. 2. ETPU has inherent waterproof properties. 3. Elastic Advantages: High rebound rate (68%, over 30% higher than EVA), rapid recovery (≤0.15 seconds to restore), low energy loss (tan6<0.22). 4. Impact and scratch resistance. 5. ETPU material has wide temperature adaptability. 6. ETPU material is biodegradable: ETPU seat cushions are pollution-free. 100% eco-friendly.