Mosaic Leaf Stepping Stone Kit is a fun new shape packed with recycled earth-toned stained glass and letter stamps This 13.25x13.25x2.5 inch package contains 7 pounds of stepping stone mix one 12 inch reusable leaf mold 12oz of mosaic glass 2oz of glass gems letter and number stamps one wooden mixing paddle one writing tool and easy-to-follow instructions. A. Conforms to ASTM D4236. WARNING: This product can expose you to Silica Crystalline (airborne particles of respirable size) which is known to the State of to cause cancer. For more information go to www.P65Warnings.ca.gov