COOFIT Rolling Backpack Kids School Backpack with Wheels Laptop Backpack Wear-resistant and splash-proof: This rolling backpack adopts high quality wear-resistant nylon. If liquid was splashed onto the school backpack, please use dry cloth to wipe it. And the inside belongings won't become wet even in light-rain days with the protection of the nylon fabric Large capacity: L*W*H: 32*18*46cm(12.60*7.08*18.11in). This wheeled backpack is roomy to house your laptop, clothes, A4 magazines, iPad, cell phone, books, umbrella, flask, wallet, stationeries and more Adjustable and smooth: Extendable trolley is firm and you could freely adjust its height according to your height, making it suitable for most primary school students. Universal wheels are smooth that they can roll on the ground fluently, saving energy Multifunctional: You can use the backpack with the trolley together or just use it separately. Chest strap could prevent the travel backpack from dropping while running or being collided Application: Perfect daypack for travel, school, camping, hiking and so on What's Covered: mechanical and electrical failures during normal use, 100% parts and labor Get fast repairs or replacements from SquareTrade, an Allstate company 24/7 customer support, free shipping for all repairs, no deductibles or hidden fees Cancel anytime, full refund in first 30 days, fully transferable with gifts SquareTrade Protection Plans are only valid for new or Amazon certified refurbished products purchased at Amazon in the last 30 days. By purchasing this Protection Plan you agree to the Protection Plan Terms & Conditions (http://www.squaretrade.com/terms-standard). Your Protection Plan Terms & Conditions will be delivered via email within 24 hours of purchase