Polyester Introducing Veranda's Best, an elevated version of our most popular cover. Everything you love about Veranda, but with revolutionary upgrades, like highly durable waterproof fabric with taped seams to keep your furniture dry Extra-large stay-open vents allow more air flow, help reduce condensation inside the cover, and are ideal for minimizing wind loft in blustery conditions Our patented tunnel hem and click-close strap system work together to create an extremely secure fit and a smart, polished look Exclusive Two-year warranty backed by our Customer Support Team Fits sofas/loveseats up to 76"W x 33"D x 32"H Please refer to your furniture's care instructions as some finishes, sealants or coatings could react to PVC backed covers. To reduce this possibility, the use of a support pole (sold separately) is recommended to elevate the cover. Durable fabric provides protection from harmful UV rays