SF-RIMA Environmental Pavers from Nicolock Paving Stones include all the eco-friendly features you could want with an abundance of rich style. The paving stones have chamfered edges for a real stone feel and a smooth, flat surface that’s easy to walk, drive or ride on. Integrated 1/2-inch gaps between stones create approximately 10 percent open surface area, helping to handle heavy rains and promote better drainage. SF-RIMA paving stones are sold by the pallet and each pallet covers approximately 91 square feet.