Suitable for chair size? Dining Seat Covers Applicable For Seat Cushion Length: 14''-18.5'' (34-47cm); Seat cushion width: 14''-18.5'' (34-47cm); Thick seat cushion: 1.5''-2.4'' (3-8.5cm). Please check the measurement guide in the item image before ordering. High quality stretchy waterproof fabric?Made of 85% polyester and 15% spandex, soft and stretchy, wear resistant wrinkles and durable enough for daily scratches, spills and stains from kids and pets; This is a great chair seat protector more than a decorative chair seat cover, but because the stretching reason, it can't keep 100% waterproof, please pay attention. Wide Use and Care: Chair seat covers are ideal for upholstered chairs in the kitchen, dining room and more. Chair seat covers for dining room - Trendy fabric, introduces a series of styles - elegant, classic and smiling - for these chair seat covers. Dining chair seat covers are an easy way to give your old chairs a new look and a great choice to brighten up your room. Homey upgrade design: the straps of the covers ordinary chair seat covers are easy to separate after washing and are not beautiful. The retractable belt and easy-to-use buttons are not only easier to install, but also adapt perfectly to the chair.