Features:Soft Material:92% polyester 8% spandex fabric makes our cushion covers more stretchy and durable, ensuring both good function and comfort.High Stretch: Our sofa cushion covers featuring high stretch perfect fit for most sizes, will transform your old sofa to new, freshen up your interior decor. Elastic Bottom:The unique elastic band design makes the installation and disassembly of our products more convenient. The cushion and cover can be fixed in place, allowing users to have a better experience.Dimensions:Small(1 seater)): length 23.6-35.5in/60-90cmLarge (3-seater): length 53-65in/135-165cmPlease purchasing before buying. Please refer to the size chart for size information.