1. **Longlasting, Waterproof Protection**: Our waterproof square hot tub cover is made from 190T waterproof, silvercoated fabric to ensure your outdoor spa remains protected from rain, moisture, and environmental damage while maintaining cleanliness and durability. 2. **Secure Windproof Fit**: Featuring a windproof drawstring mechanism, this pool cover provides a snug fit that keeps the hot tub lid securely in place even in strong winds, ensuring protection for your thermal spa cover at all times. 3. ** Size for Versatility**: Measuring approximately 220 x 220 x 30 cm, this spa pool cover is designed to fit most square spas, making it an ideal solution to safeguard your investment from weather elements. 4. **Dustproof Design for Longevity**: In addition to being waterproof, our outdoor swimming pool protective cover also features a dustproof design that effectively prevents dust and dirt buildup, extending the lifespan and appearance of your spa.