About Colors: All the photos are real beat,probably there is slight color difference due to light and different monitors.About Prices:One size is one piece of sofa cover. A set you need order multiple sofa cover( multi size).About Sizes: All the sofa cover are cut by hand, probably there is size error of 1-3cm.The above price is only the price of a cushion, excluding others. If you need a back cushion, you can choose 70*70 or 90*90 size.Breathable and healthy pure cotton material, delicate touch, skin-friendly, soft, wear-resistant and dirt-resistant, and not easy to wrinkle.The anti-slip latex particles on the reverse side are tightly arranged, soft and waxy, with limited anti-slip, and will not damage the surface of the sofa.Lay down vertically for full care. The vertical side effect is 15-20cm, which can effectively protect the edge of the sofa.Fungus lace, firm edging process, fine stitches, neatly routed to protect the edge of the sofa cushion from falling off.EASY CARE: Machine washable, wash at temperature around 30 degrees Celsius, mild laundry detergents are advised, please do not bleach.