Expandable main compartment for serious storage and versatility and has front panel quick grab handle. Water resistant coated canvas for added durability. Metal self-locking twist buckle for quick one-handed closer while on the go. Soft padded fabric lines interior iPad pocket and custom molded waffle design back padding for sleek look, extra durability and ultimate comfort. Soft quilted lining offers ultimate protections and flexibility for both 13" and 15" MacBooks.