The Titan Limit Hardcase Unbreakable Travel Suitcases are made from a durable polypropylene and designed to be unbreakable. The LIMIT is expandable and comes with a recessed secure TSA lock. Its sophisticated interior divisions and additional zipper pockets make packing for traveling simpler and neater. A curve design on the front and rear adds a stylish modern look to the travel bag. The zipper is water repellent making the entire luggage weather resistant.