What are the best shock-absorbing materials for PVC outdoor sofa bases?

When selecting shock-absorbing materials for PVC outdoor sofa bases, durability and comfort are key. Here are the top choices:

1. High-Density Foam: Provides excellent cushioning and retains shape over time, ideal for frequent use.

2. Rubber Padding: Offers superior shock absorption and weather resistance, perfect for outdoor conditions.

3. EVA Foam: Lightweight yet durable, it reduces impact and prevents wear on the sofa frame.

4. Polyurethane (PU) Foam: Combines softness with resilience, ensuring long-term comfort.

5. Silicone Gel Pads: Flexible and moisture-resistant, they add extra support without adding bulk.

Each material has unique benefits, so choose based on your climate and usage needs for the best results.