The DL-2857-1 series is a high-end slim aluminum frame suitcase, available in complete 20/24/28 inch multi-size options. Adopting an ultra-narrow aluminum frame sealed shell structure with innovative front zipper deep barrel opening design, it greatly expands internal storage capacity and achieves large space utilization. With refined color-blocking appearance and stable structural performance, it meets diversified medium and long-distance travel demands. We support flexible full-range ODM/OEM custom services for global brand partners, including exclusive rear cup holder customization.