Every shipped parcel, takeaway tray and dairy pot needs protection that costs little and weighs less. The Polystyrene (PS) Market answers that need, standing at US$ 51.38 billion in 2025 with a projected rise to US$ 73.01 billion by 2034. A CAGR of 4% from 2026 to 2034 shows how firmly packaging anchors demand. What Is Driving the Market? Insulation and cushioning are the first big strengths....