Compatible with most tablets in their protective cases. Computer compartment holds most 15.6 “laptops. Erection system for the back. Strap at the back sliding on the retractable vertical suitcase handle. Includes a portable charger pouch * that allows you to charge your electronic devices on the go (portable charger not included). Mesh pocket for water bottle. Anti-RFID pocket to prevent identity theft thieves from reading and stealing personal information stored on the electronic chip of your passport or credit cards.