Highcool White 4 Pack 15x12x1 inch 1 Inch Thick Polystyrene Rectangles XPS — Craft, Insulating & Modeling Supplies

Durable polystyrene sheets: This 4 pack of Highcool white XPS panels measures 15x12x1 inch (1 Inch Thick) and is made from extruded polystyrene, giving each rectangle enough stiffness to hold shape while remaining easy to work with. Cutting is simple — they slice cleanly with a craft knife or can be trimmed with scissors for fast shaping. Versatile for makers and builders: Ideal for hobby projects, scale models, exhibition displays and decorative work, these boards also function well as poster backing, 3D model bases or even temporary room dividers. Home improvement and insulation uses: These XPS panels are suitable for insulating walls, ceilings, floors and attics, and can be repurposed to create simple shelters for stray cats. Safe and long-lasting: Made from polystyrene materials that are safe for children and adults, the boards retain their form over time so finished projects stay looking good. Cost-effective choice: Whether you need a single sheet or multiple pieces for a larger job, this pack offers a practical, budget-friendly option for crafting, modeling and basic insulation needs.