Brightent Deluxe Heavy Duty Waterproof Cover Outdoor Indoor Patio Stacking chair Protection (Stacking Chair Cover XS32P--L85cm*W65cm*H115/95cm) This item is made of 300D woven polyester material with PVC coating, which is premium water-proof,heavy duty and durable. And it has seal tape stick at the inside of the seam, for better water proof.