flexible filler 250 ml green stuff worldFlexi Filler 250 ml A Flexible Filler is a specialized acrylic based material designed to fill seams, gaps, and imperfections in cosplay materials like EVA foam and thermoplastics while maintaining both its flexibility and ease of sanding. Unlike traditional fillers that can become brittle, GSW flexible filler is formulated to bend and move with the surface, making it ideal for foam based armor, weapons, and props. In cosplay, achieving a smooth,