Thick Velvet Material: Polyester 90% + Spandex 10%, soft velvet touch and good elasticity.The real universal design and stretchable elastic fabric make our sectional cover suitable for most sofa types 100% Waterproof Fabric: Our couch cushion covers feature a TPU waterproof layer on the back. Protect the sofa from getting dirty with liquids.Great on against spills,stains,and normal wear and tear Size for L-Shape Sectional Couch: This item has 4 pieces:3 individual cushion covers + 1 chaise cover. More details please refer to the measurement guide in photo, please measure before purchasing Easy to Install & Clean: You can install the cushion cover in less than 2 mins,stretchy elastic loops at the bottom to keep the cushion cover in place and cover the bottom edges.Hand washable or machine washable.Do not bleach,Do not Iron,Hang to dry Furniture Protector:The sofa cover not only protect your sofa furniture daily wears and tears,it also transform your old sofa or protect your new one.We not only provide quality couch covers,but also focus on providing good customer service