Made of polyester.The inner lining of this bag is made of air-cushioned material, providing effective protection for your laptop.You can use it as shoulder bag, briefcase bag and sleeve bag in whatever way you like. Back luggage strap allows bag to slide over the luggage tube, secure your bag in place, provides a convenient way to carry the bag and release your shoulder.14inch:14.5"*10.6"*2.36". 15inch:15.7"*11.4"*2.36". 17inch:17.7"*12.9"*2.36"

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Price	$45.69	$43.29	$39.89	$35.49	$28.69	$22.99