SUPERIOR FABRIC: 85% polyester 15% spandex fabric makes our sofa covers more stretchy and durable, ensuring both good function, comfort and ECO friendly. DIMENSIONS: Small size is suitable for sofa length between 28"-36". Medium size 55"-71". If it's between two sizes, select larger one. Installation Guide of the universal furniture cover is displayed, it can be finished within 8 mins by yourself easily. STAY IN PLACE: Our sofa cover can cover the back of your sofa, providing all-round protection. Elasticized bottom will secure the slipcover stay in place firmly.Protect your sofa from spills, daily stains and tear. EFFORTLESS CARE: Machine washable with similar colors. Do Not Bleach. For drying, tumble dry low and remove them promptly from dryer.