Therapy play sand for use by therapy professionals. For use indoors with sand trays, sensory activity tables. Non-toxic and free of silica and quartz. Choose from available sizes. Course granule size ideal for therapy usage. Develops fine motor skills, intellect, visualization, and social conduct. Also suitable for outdoor use. Ideal for indoor sand trays, play theory trays, and sensory activity tables, the Sandtastik Coarse White Therapy Play Sand is designed with therapy professionals in mind. This sand is best for in-home, office, and classroom applications and is clean and coarse and perfect for kids to play with. Playing with sand helps develop fine motor skills, intellect, visualization, and social conduct. This sand is 100% safe for kids and contains no quartz, tremolite asbestos, crystalline silica, wheat, gluten, or nuts. Size: 200 lbs.