Internal dimensions: 14.17 x 11.42 x 0.78 inches (L x W x H); external dimensions: 14.76 x 12 x 0.98 inches (L x W x H). The additional small pouch bag external dimensions is: 9.84 x 7.28 x 0.39 inch (L x W x H), suitable for a wide variety of laptop. Fluffy polyester material with a silky touch makes it more comfortable to hold in your hand. a top opening zipper gliding smoothly and allows convenient access to your device. slim and lightweight, can easily slide into your backpack or other bag. Soft fleece fabric lining of our laptop sleeve for bump and shock absorption and protection of your notebook against bump, shock and accidental scratches.(The additional small pouch bag lining is polyester fabric). Compatible with 16-inch MacBook Pro M2/M1 Pro/Max A2780 A2485 A2141 2023-2019, MacBook Pro Retina 15.4 A1398,15.6 Inch Acer Aspire 5/Nitro 5, Lenovo IdeaPad L3, HP Pavilion/ ENVY x360, Dell Inspiron 16, ASUS VivoBook/ROG Zephyrus,Samsung Chromebook/ Galaxy Book Pro 360, and fits more other similar size notebook. This combination laptop case has a unique design that balances a comfortable feel with the performance of the protective device, as well as an accompanying small bag that can store small items. It is a simple and practical daily item for work and school. The high-quality puffer laptop sleeve is designed with a unique shrink wrap to protect your valuable laptop from damage. It's fit for backpack bag or suitcase.The high-quality zipper of the laptop cases are extremely durable and smooth to use. The set has one small accessories pocket for various gadgets. It is recommended that the zip pocket accommodate smaller parts.At the same time, the laptop bag features a space-saving,ultra-thin design that does not take up extra space when placed in a backpack or suitcase.