Coffee with conviction. The 17oz Prolatte Coffee Travel Mug Military Edition is an insulated stainless steel mug in officially licensed branch designs — Army, Air Force, Americana, and OCP Camo. Interior 18-8 SS, exterior 201 SS, double-wall vacuum insulation, twist-on lid with flip-top opening for sipping. BPA-free and dishwasher safe — the commuter mug for those who served.