Diamond Wool Contoured Wool Fleece 1/2-inch Liner This Contoured Liner Pad is made with a Merino Wool Fleece bottom and a 3/8-inch Wool felt filler. It's contoured along the spine to work instantly as a standalone pad or as a liner to keep show blankets clean. Item Specifications: Materials: Top: Merino Wool Fleece Bottom: Wool felt filler