Double waterproof fabric: smiry chair covers with waterproof coating and TPU membrane. The waterproof dual function can withstand liquid spillage and better protect your favorite furniture, no need to clean these chair covers frequently [Easy to Install] This dining chair cover with a back space design, no need to remove the chair cushions, just slip them on, the elastic edges will hold the seat cover firmly in place, faster installation and save time. Not suitable for chairs with armrests Soft & High Stretch:smiry kitchen chair covers are made of fashion rhombic jacquard fabric, soft, comfortable, sturdy and anti-wrinkle, the seat covers for chairs thick enough to protect your chairs from pet scratches. Very stretchy, easily fits most chairs [Perfect fit for most chairs] Please measure your furniture sizes before ordering. smiry seat covers fit for seat cushions with a length of 16-19 inches; seat cushion width 16-19 inches; seat cushion thickness 3-4 inches Wide Application & Care smiry dining chair seat covers are suitable for upholstered chairs in kitchen and dining room. These spandex chair covers are perfect for room decoration. Machine washable. Do not bleach. Do not iron. Tumble dry on low heat