The Ratio Arc Apex - MR7778 by MARK RYDEN is crafted from EVA and waterproof Oxford fabric, it features a laptop compartment for devices up to 15.6 inches and a dedicated iPad sleeve. With YKK zippers, adjustable shoulder straps (40-90cm), a USB charging port, and an internal keychain, it ensures convenience and security. The 180° opening adds easy access for organized packing.