Made in Canada Hypoallergenic Generous fill weight Cover: 100% Durable Polypropylene Fill: 100% Premium Non-Recycled High-Loft Polyester Fiber Weight: 1.1 lbs As polyester is a synthetic material, it is naturally hypoallergenic and mold/mildew resistant. This means that our standard polypropylene shell polyester filled pillows can be used as outdoor pillows when paired with a waterproof pillow cover.