Frienda 4 Pack Polyethylene Foam Sheet 24 x 24 x 1-1/8 Inch Polyurethane Foam Pad Packing Foam Toolbox Foam Inserts for Cases Packaging Foam Padding Packing Material for Shipping and Crafts :
Plain EVA Foam Sheet, 11-1/2-Inch x 8-1/2-Inch, 4-Piece | eBay