Nicolock paver-shield ST RDG XL PA paver-shield 3 Piece Combo Xl Pennsylvania Blue Stone Ridge These gorgeous rectangular stones feature a slightly textured riven surface to create a more natural appearance. The chamfered edges also contribute to a more dynamic look for your outdoor living areas. Made with our exclusive paver-shield™ technology, these paving stones feature an ultra-dense surface and incorporate rich, vibrant color from top to bottom to ensure they retain their stylish appearance over the years.