WATERPROOF DESIGN: The surface of the spa cover is decorated with a silver coating Waterproof that can prevent rain, hail, snow, dust, and leaves YEAR-ROUND PROTECTION: The outdoor spa cover is made of 210D Oxford fabric, which is durable, tear-resistant, waterproof, UV-resistant, snow-proof, frost-proof, wind-proof, dust-proof, bird droppings, and fallen leaves. It completely protects your spa cover UV PROTECTION: The garden spa cover is UV-resistant, which prevents the furniture from being exposed to the sun and makes your spa look new WINDPROOF: The hem of this round spa cover has an adjustable drawstring that can be securely tied to the spa to prevent it from being blown away by strong winds, and it is easy to install SIZE: Our spa cover is available in three sizes. Suitable for circular outdoor spas, swimming pools, and garden furniture