GHYTMTHOT 12lb Coarse Sand Stone,Silica Sand for Plant,Soil Cover Succulent and Cactus Bonsai Horticultural Sand,Natural Decorative Sand for Vases Fillers.Brand: GHYTMTHOT Features: Natural colored coarse sand, each particle has a different shape, with sizes ranging from 1 5mm. These gravels can provide good drainage, adding coarse sand stone to potted plants to help lock in water and other nutrients in the soil, thereby helping plants grow better. These horticultural sand are 100% made of natural raw stoneDue to transportation bumps, there may be some powder on the surfaceBefore the first use, be sure