The Bio Wool Mattress Pad is filled with 100% Merino Pure Wool encased in 100% Fine Cotton fabric, with a honeycomb stitched pattern. Made from pure new sheep's wool. This mattress pad provides a warm, snuggly feeling and offers ideal sleeping comfort with its temperature regulating and moisture absorption characteristics. The Bio Wool mattress pad is generously proportioned with a fully elasticized skirt that fits up to 18" thick mattresses. This is a perfect complement to your Scandia Home comforters and linens.