1.HIGH ELASTIC and WATERPROOF PU: The leather rear-covered chair cover is made of highly stretchy PU. Thick, soft, anti-wrinkle, wear-resistant and scratch-resistant. PU fabric has strong elasticity, good resilience and better fits for dining chairs. PU fabric comes with a waterproof effect, insulating it from daily spills and dirt, making it very easy to take care of. 2.REAR COVERED DESIGN and EASY TO INSTALL: This PU chair seat cover has a rear-covered design. No need to remove the seat cushion, just pull out the rear covered part through the gap and fasten the buckle. Hand or machine washable. Cold water. Do not bleach or iron. If there is a stain on the leather, we recommend wiping it with a clean damp sponge or damp cloth and let it dry naturally. Hang to dry in a cool place. Avoid direct sunlight. 3.RECOMMENDED SIZE and APPLICABLE CHAIR TYPES: PU rear-covered cushion cover is suitable for upholstered chairs in all occasions. Suitable for chairs without armrests, chairs with a gap between the cushion and the back. Seat cushion length: 14-19.7in or 36-50cm. Width: 14-19in or 36-48cm. Thickness: 2.7-4.7in or 7-12cm. Please measure the size of your chair cushion. 4.PERFECT FIT and NON-SLIP: Highly elastic fabric ensures that each part fits the seat cushion perfectly. Equipped with elastic band and 4 buckle elastic straps. Easy to install and ensure the cushion cover won't slip or slide off. The buckle straps are designed to keep the straps from getting tangled when washing.