Amazon.com: Reets Relish Green Felt Sheet - Wool Felt Fabric - Premium Green Fabric - 20% Wool Felt Blend - DIY, Sewing, Crafting, Felting - National Nonwovens - 36 x 36 in Large Green Felt
F-3 Industrial Wool Felt, 1/4" Thick x 60" Wide - The Felt Company
3mm Thick 100% Merino Wool Designer Felt by the Yard – Aetna Felt