Size Chart: The width (B) and height (C) of different sizes are in the same range. On the premise that the width and height are suitable, the size can be selected according to the length (A). The selection follows the principle of "big wins small"! ! Skin-Friendly Fabric: Made of high-quality elastic knitted fabric. The stretch returns quickly and fits securely around the elastic hem. 360 degree full coverage elastic band design. Our sofa seat covers are highly elastic, soft, wrinkle-resistant, durable and long-lasting. Easy to Install and Clean: Machine washable. Washing machine is easy. Sew with a thick elastic loop to cover the bottom edge. The seat cover has elastic around it for easy installation and removal so you don't have to straighten it every time someone sits on it. Highly recommended for leather and fabric furniture. IMPROVE YOUR HOME DECOR: Available in a variety of beautiful designs and colors, this four season sofa cover will add color to your home decor and give your sofa a new look. Do your best to add a variety of looks to your home decor. You will feel the difference. Widely Applicable: Perfect overall protection, ideal for homes with children and pets, against stains, scuffs, spills, pet scratches and other damage. This new sofa cover can cover and decorate the damaged area of the old sofa, creating a comfortable relaxing environment for you.