Scotch 4 in. x 6 in. Beige Rectangle Surface Protection Felt Floor Pads (2-Pack) SP800-NA - The Home Depot
SoftTouch 16-Pack 1-in Oatmeal Square in the Felt Pads department at Lowes.com
Slipstick Premium Wool Felt Sheet Furniture Pads/Floor Surface Protectors (6 Inch x 4-1/2 inch) Includes 2 Large Felt Pad Blankets with Self Stick Backing, Gray, CB161 - Amazon.com
Scotch™ Custom Fit Felt Pads, Brown | 3M United States