Our Alpaca Wool Duvet Insert Comforter is a natural bedding masterpiece. Featuring ethically sourced alpaca wool from the high altitudes of the Andes Mountains and encased with OCS certified organic cotton fabric for luxurious warmth and supreme softness. Alpaca wool is considered by many to be hypoallergenic since it contains minimal levels of lanolin. Pairs perfectly with any Naturepedic duvet cover.100-NIGHT TRIAL | 1 YR WARRANTY | FREE RETURNS