Expanded Polystyrene Insulated Shipper Comes in a corrugated carton. Easy-loading dome-style lids. Modular system with consistent manufacturing for uniform performance. ID: 53.3Lx38.4Wx38.7Hcm (21x15-1/8x15-1/4). OD: 61Lx45.7Wx45.4Hcm (24x18x17-7/8). Insu