Mr. Bar-B-Q Backyard Basics Eco-Cover Large Round Patio Set Cover is made of Eco-tech material that is 100% PVC free. Dual-function layers for added strength & weather resistance. Specially coated for enhanced water protection. Material resists extreme temperatures. Protects your property from dirt, dust, pollen, sap & rain. Sturdy elastic attachment holds cover in place. Extra long straps for securing against strong winds. Unique pocket vents keep dirt and water out but allows air and moisture to escape. Size: 80" x 30"