Upgrade your DIY projects with SoundAssured Corrugated Plastic Sheets! Each 4-pack includes four durable 24 x 36 inch sheets made from lightweight, waterproof corrugated plastic. These versatile boards are perfect for acoustic foam panel backing, signage, school projects, arts and crafts, and more. Designed for easy cutting and customization, our sheets offer excellent stability while remaining lightweight for effortless handling. Whether you're building acoustic clouds, freestanding panels, or creative displays, SoundAssured has you covered! Perfect for musicians, crafters, teachers, and DIY enthusiasts looking for professional-quality materials.