Expanded Polystyrene, EPS Foam Sheets, 1" x 24" x 48", (4 sheets) 1 lb density Expanded Polystyrene foam Oversized packages, low actual weight, but UPS calculates dimensional weight of approximately 30-35 lbs These items are subject to special shipping considerations due to size and weight Estimated $50 shipping cost per box! Expanded Polystyrene (EPS) foam insulation is used in home, art, packaging & construction