Features: Designed for 13.3 inch HP EliteBook 830 G9/G10/G11, HP EliteBook 835 G9/G10/G11, and HP Elite X360 830 13 inch G9/G10/G11 Notebook PC. Not suitable for other models; please verify your device model before purchase. Material: PU leather with canvas texture and ultra-fine fiber lining. Surface offers anti-slip, sweat absorption, dirt resistance, and splash resistance (requires timely drying). Lining is soft and delicate to help protect the laptop from scratches. Special design: 2-in-1 structure with magnetic closure in the middle for easy installation and removal (no disassembly needed during regular use; magnet is not intended for rigid attachment). Overall case dimensions are slightly larger than the laptop to help prevent accidental impacts. Heat dissipation: Bottom of the case features ventilation holes to promote heat transfer and support laptop longevity. Side includes an elastic band to hold a stylus (stylus not included). Tablet Mode: For tablet use, reinstall the protective cover as shown in product images. In tablet mode, the keyboard is protected from contact with surfaces. Reminder: Many returns occur due to incorrect model verification. Please confirm your laptop model and external dimensions match the description to ensure proper fit. Compatibility: HP EliteBook 830 G9/G10/G11, HP EliteBook 835 G9/G10/G11, HP Elite X360 830 13 inch G9/G10/G11. Not compatible with other models. Product Parameters: Weight: 0.33 kg (0.73 lb). Dimensions: 314 x 227 x 23 mm (12.36 x 8.94 x 0.9 inches). Style: Business, simple design. Suitable for use at home, office, travel, meetings, and more. Tablet Mode: To use tablet mode, reattach the protective case as illustrated. The front cover is removable and helps protect the keyboard when in tablet configuration.