Amazon.com: 24 Ct Sheets White EVA Cosplay Foam in 9” x 12'' Sheets; High Density Thick Foam 85 kg/m³, 6mm (1/4”); Great for Costumes, Props, Armor, Masks, Arts and Crafts Projects :
Darice Foamies White 2mm Foam Roll, 36 inches x 60 inches - Walmart.com
Amazon.com: Craft Foam Sheets EVA Foam Sheets, 9.6×9.6 Inches, 8 Pack, Thickness 3mm/5mm/7mm/10mm, for Cosplay Costume Paper Scrapbooking Foamie Crafts Kids Cushion : Arts, Crafts & Sewing
Darice Foamies Big Foam Roll, Red (1 Roll) - Great for Halloween and Theater Costumes, Cosplay, Craft Projects, Classrooms, Scouts, Camps, Parties and More – Foam Roll is 36” x 60”, 2mm Thick