All of Q Vita velvet cushion cover are designed with invisible zipper enclosure on the bottom. You can use it to decorate both indoor and outdoor sofa as well as your lovely bedroom. Our team cares about the environment. We search for products that are eco-friendly, made from recycled materials, products that help reduce reliance on single-use items, or products that can decompose quickly. Our unique velvet fabric is Eco Friendly, super durable and extremely soft. Fits inner cushion 20" x 20"