Alto Plank offers twelve attractive wood designs in varying colors. Its Fold-N-Go Locking system is precision-engineered with the most advanced technology possible-making it easy to use, strong, and durable. Floorte' is also flexible, concealing imperfections of the floor beneath-so less floor prep is needed. The "Plus" means it has an attached pad for comfort and noise reduction. And best of all it's WATERPROOF!