The Dense RB Puffy 3mm Foam offers superior density compared to our standard puffy foam, delivering sharper, crisper edges for your 3D embroidery projects. This 11.8" x 15.7" foam, with a 3 mm thickness, is perfect for achieving high-quality, standout puff embroidery. Its high-density composition enhances the definition of 3D effects, giving your embroidered products a polished and professional look. Elevate your embroidery with the largest size of puffy foam on the market today!