Appropriate Size for Most Chair: Plastic seat covers size around 18x16 inches, perfect for most dining chairs with 18-20 inches in length. (Please make sure to measure your chair first before rchasing)Easy to Install: Just place the transparent cover on the chair, adjust the position, keep the surface of the cover neat, fasten the strap to the back through the buckle, and tighten the adjustable strap. The chair cover can be stretched on the seat and is not easy to move.Easy to Clean: When there is liquid or food spilled on the cover, just wipe it with a damp cloth, very convenient.Easy to Store: When you don't need plastic seat covers, you can easily remove the dining chair cover, fold it and store it, and it doesn't take up storage space. It can be used for a long time.Waterproof & Prevent Cat Scratches: We use durable material. They are not waterproof, but also prevent cat's claws from scratching, so that your chair at home will be protected from stains and scratches.