Leather,Pu Leather Loop closure ✅Multi-compartment Organizer: Including 1* 15.6 inch laptop main compartment, 1* organizer pocket, 1* back zipper pocket, 2* front pockets with zippers, 1* inner zipper pocket, 2* inner wall pockets, 2* inner pen sleeves can hold your credit cards, ID card , pen, wallet, keys and other small things. ✅Durable Material:Made of high quality water-resistant PU leather fabric to provide maximum strength, durability, and longevity. Excellent keeping inside items dry against from splashing,even on rainy day ✅WEARABILITY:The removable shoulder strap width of the laptop satchel bag is 1.5 inches, and there is a luggage strip on the back, which can fix multipurpose bag on the luggage rod, and each pocket has a zipper or expansion strip, which can better protect your goods ✅External Dimension: 16.2 " x 3.6" x 12" (LxWxH) features a dedicated well-padded Laptop compartment with adhesive hook and loop tape, laptop carrying case perfect for 15. 6inch laptops，Soft lined laptop sleeve holds a laptop up to 15.6 inches, suitable for most MacBooks / Macbook air / Acer Chromebook / Acer Aspire / Acer Flagship / HP pavilion / Dell inspiron 15 / Dell inspiron 13 / Notebooks / Tablet / Ultrabooks / PC Computer devices / ASUS / Apple / Windows / Ipod / Netbook ✅Comfort & Convenience: Dual sturdy wrapped bale handles for comfortable use, detachable adjustable shoulder strap inside the bag can easily convert your computer briefcase bag to a single-shoulder bag,It can be used as a travel briefcase, office computer bag,business laptop bag, professional laptop case, etc