Premium Poly Felt Underlay Pad For HouseholdEssentials Model Ironing Boards Tabletop (30x12) 6mm (1/4in) Premium Needle-Punched Polyester Felt Super-dense pad made right here in the USA that fits under any ironing board cover Choose 6mm for larger board and/or mesh top; 3mm for smaller and wood tops Allows you to change and/or wash covers while preserving your pad