Durable: This bathtub pool cover is made of durable Oxford fabric, which is UV and water resistant, tear resistant and long lasting. It is UV resistant enough to withstand rain, hail, snow, dust, leaves and bird dropping. The ventilation holes with reasonable structure on both sides are kept open to prevent wind from rising. The sturdy elastic cord can be adjusted to make it tighter and easier, especially in strong winds and bad weather. Material: Oxford cloth, Size: 218x218x30CM Durable: This bathtub pool cover is made of durable Oxford cloth, which is UV and water resistant, tear resistant and has a long service life. It is UV resistant enough to withstand rain, hail, snow, dust, leaves and bird droppings. The ventilation holes with reasonable structure on both sides are kept open to prevent wind from rising. The sturdy elastic cord can be adjusted to make it tighter and easier, especially in strong winds and bad weather. Color: Silver Note: The product sold is only a dust cover.