Durable Lightweight Waterproof Laptop Backpack Travel Backpacks for Laptops Up To 15.6-Inch (Grey) High quality nylon material,lightweight,durable. This laptop backpack fits laptop up to 15.6".Multi-Pockets interior are ideal for storage of many Water Resistant/Scratch Resistant,protect your stuff in a good condition throughout a day when on The adjustable straps are extra padded for superior comfort and very breathable material.This laptop Dimention:17.71" x 12.59" x 4.72",weight:560g.