GREAT FIT: 1 package contains 1 piece cushion cover, 1 seater measures up to 20~29 inch length, 21~29 inch wide, 2~10 inch thickness; 2 seater measures up to 40~50 inch length, 20~27.5 inch wide, 2~9 inch thickness;  3 Seater measures up to 59~70 inch; 20~27.5 inch Width ; 2~9 inch Thickness. Our cushion covers are stretchy to fit regular square seat cushions and also T-cushions. Please measure your cushion before purchase HIGH STRETCH: Crafted from soft elastic jacquard fabric, 85% Polyester and 15% Spandex material, these sofa seat cushion covers are highly stretch, soft and anti-wrinkle, durable and long lasting WATER REPELLENT- (Not 100% waterproof): Our Water-Repellent sofa seat cushion covers can protect your couch seat from wet stains, spills and tearing, especially for homes with kids and pets. Warm Note: Please wipe off the liquid spilled on the sofa immediately, it is not 100% water proof EASY TO INSTALL & REMOVE: Elastic bands around the cushion cover for easy to install and take off, do not have to be straightened out every time when someone sits on it EASY CARE: Machine washable for easy care and maintenance, separately in cold water on the gentle cycle, do not use bleach and iron