Ruggedly Waterproof: Biking or walking to work (or anywhere else)? Never fear. Your BriefSak Pro briefcase comes in tough 420D TPU Coated Cordura with watertight welded seams, so it'll shield your gear from rain & snow. Padded Protection: Our removable cushioned organizer helps guard your stuff from shock & damage. Provides roomy separate compartments for your laptop, phone, business cards, etc. Don’t need it? Just slide it out! Handy Outer Pockets: This all weather messenger features a YKK Aquaguard water-resistant exterior zippered pocket, and a slip pocket for easy-access storage for your must-haves. 3 Ways To Carry: Tote it by its attached handle. OR use its removable, adjustable shoulder strap. OR slip the convenient luggage strap over the handle of your rolling suitcase while traveling. It's up to you! 13 & 15" Sizes: Fits popular devices including Apple MacBook, Pro, Air, iPad and iPad Pro; Microsoft Surface, Laptop, Go, Book, and Studio. Made of 420-Denier TPU Coated Cordura with high-frequency welded seams, our BriefSåk Pro messenger bag is 100% waterproof! Do you walk or bike to work or school, or even to the metro or bus stop? Then you'll want SÅK's BriefSåk Pro Briefcase. It Guards Your Gear Against: Rain, including heavy downpours Waves & splashes Snow & sleet Sand, dirt, mud & dust The main compartment of this this messenger features an airtight zipper, which even stays watertight when submersed. Plus, BriefSåk Pro Offers: 2 convenient sizes to chose from; BriefSåk Pro comes in both 13" and 15" laptop class sizes. Premium details including Duraflex brand clips and hardware, nylon handle straps with Hypalon grips and a neoprene padded shoulder strap that is adjustable and removable. 2 exterior pockets: one YKK Aquaguard water-resistant exterior zippered pocket and one slip pocket which also doubles as a luggage strap and fits over the handle of your rolling suitcase. A removable padded organizer that features: A separate laptop/tablet compartment Large zippered pocket Key Clip 2 Mesh pockets 2 phone sized pockets Business/credit card holders Pen sleeves.