A pebble is a clast of rock used for landscaping, construction and as decorative elements. Beach pebbles are often used to cover walkways and driveways, around pools, in and around plant containers, on patios and decks. Beach and river pebbles are also used to create water-smart gardens . Small pebbles are also used to create living spaces and gardens on the rooftops of buildings. Can be used as well for for kitchen & bathroom backsplashes, showers, walls. Aways creating a modern and relaxing looking place.