Natural sea sand, carefully selected, the Subhead screening, washing, heat drying, to dust, and other multi-channel processing procedures, the shape of the ellipse edges and corners are rounded and smooth, natural natural sand for children to play easy to get angry with children toys, exercise the brain development of children hands. Children's beach park, children's entertainment of choice for sand. For entertainment battle, sea world venue, swimming pool, children's beach, children's playground, high-child husband pitches a lot of entertainment