100% Cotton -Made of 100% ultra soft polyester fiber filler. -Pillow insert size:18?? x 18??,45cm x 45cm.Pillow cover a little bit smaller than 18x18in may reach the best performance of the insert. -Easy to clean and dry:Machine washable.Please wash it in gentle cycle with warm water and hang it up to dry. -Cotton fabric and tight stitching provide ultra toughness that guarantee the insert stay intact during daily use. -What you get: 2 x throw pillow inserts(18 x 18 inches),12 month warranty our friendly after-sale customer service.