THE CLOWNFISH CoolBELL Water Resistant Nylon Unisex 15.6 inch Laptop Messenger Bag Briefcase with Trolley Strap (Grey) ➧ PREMIUM MATERIAL: This stylish laptop messenger bag is made of good quality water resistant Nylon. For the inner lining, soft feel premium quality polyester fabric is used. The metal fittings such as zipper heads and pullers used are smooth, sturdy and durable.