Insert Material: Pp Cotton Cover Material: Plush SIZE:45x45cm/55x55cm Thickness: 4cm Washing Instructions: Machine Washable At 30°c Package Included: 1 Pcs Seat Pad Cushion. Our Indoor & Outdoor Chair Pads Are Designed For Everyday Use And Relieving The Pain From Lumbar, Hip, Tailbone And coccyx. Thick Cotton Filling Ensures That The Cushion Performs Well For A Long Time And Comfortable For sitting. The Cushion Size Is Suitable For Most Office Chairs, Desk Chairs, Dining Chairs, Car Seat And Airplane And Outdoor Garden Seat Cushion. Our Seat Pad Cushion Is Easy Care, Just Need To Machine Washable For Easy cleaning.