THE CLOWNFISH CoolBELL Lightweight Slim Nylon Unisex 17.3 inch Laptop Notebook MacBook Messenger Bag (GREY) ➧ PREMIUM MATERIAL: This messenger bag is made of good quality water resistant Nylon fabric in Grey color. For the inner lining, soft feel premium quality polyester fabric is used. The fittings such as zipper heads and pullers used are smooth,sturdy and durable.