-Filling with upgraded microfiber polyester filler,great spring back ability,medium support.The cover is made of polyester. -Pillow insert size:18″ x 18″,45cm x 45cm. Unit weight:0.99lb/450g. -Gentle circle machine washable.Dry it in dryer or bask in sunlight would greatly help the pillow recover it’s fluffy shape. -The pillow is compressed and vacuum sealed in plastic bag for shipping purpose. -What you get: 2 x pillow inserts(18” x 18” ),12 month warranty our friendly after-sale customer service.