Expanded Polystyrene Insulated Shipper Comes in a corrugated carton. Easy-loading dome-style lids. Modular system with consistent manufacturing for uniform performance. ID: 33.3Lx23.5Wx15.2Hcm (13-1/8x9-1/4x6). OD: 39.4Lx29.2Wx20.3Hcm (15-1/2x11-1/2x8). I