Vigoo Square Throw Pillow Insert, Set of 2 Hypoallergenic Down Alternative Square Polyester Square Decorative Pillow, Cushion,Sham Stuffer,18 x 18 inches Made of 100% polyester fiber filler without odors or allergens retardants,mercury, lead, and other heavy metals. 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 A COMPLETELY HASSLE-FREE PURCASE: The VIGOO poly pillow inserts are backed up with a 45-day money back satisfaction guarantee. So get a pack of two pillow inserts and try them out risk free. If youre not happy with your purchase, you can ask for a full refund  no questions asked.