-Filling with upgraded microfiber polyester filler,great spring back ability,medium support.The cover is made of cotton polyester hybrid fabric.-Pillow insert size:12?? x 20??,31cm x 51cm. Unit weight:0.77lb/350g.-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(12?? x 20?? ),12 month warranty our friendly after-sale customer service.