This product is either discontinued or we cannot get that from suppliers.
STM Trilogy STM-111-171P-01 notebook carrying backpack, Black, Polyester, Notebook Compatibility 15", Padded notebook compartment, Grab handle, padded shoulder straps, Internal zippered mesh pocket, Full-size slim front pocket, External side water bottle pockets.
The STM STM-111-171P-01 Trilogy is a 15" water-resistant laptop bag. The hard part is finding one that safeguards and protects those devices. STMs protective suspended tech cell not only defends your stored laptop or tablet.