Quantity: one piece Color: Black Product size: 218*218*30cm SPA pool covers are designed to stay in place: the elastic hem keeps your cover in place in windy weather. Spa pool cover. Spa tub pool cover Well-constructed vents on both sides stay open to keep the wind from blowing. Heavy-duty elastic cords allow for a comfortable fit and easier adjustment, especially in strong winds and bad weather. Spa Pool Cover Size of Spa Tub Cover: Our square spa cover measures 218 x 218 x 30 cm, which fits most square bathtubs in the market. Please measure your spa before purchasing. Spa Cover 210D polyester canvas spa cover with eco-friendly vinyl backing. UV resistant and tough enough to block out rain, hail, snow, dust, leaves and birds. Spa pool cover. The spa covers UV protection design protects furniture from the sun and keeps your spa looking like new.