Please note it does have a stain inside and one of the zipper teeth is missing. Backpack has been cleaned. The Lululemon Backpack in black is a sleek and durable shoulder bag made from nylon material. It is designed to fit a maximum 15" laptop and features two dividers for organization. The lightweight design makes it easy to carry, especially for extended periods of time while hiking. The zip closure ensures your belongings are secure, and the nylon material is insect repellent treated for added convenience. Perfect for spring backpacking adventures, this one-size backpack from the popular brand Lululemon is a versatile and practical choice for outdoor enthusiasts.