dimensions 5/8 to 1.5 in (15 to 40 mm)
color black (gray-black)
shapes varied and textured shapes with porous finish
packaging bag of 20 lb (10 kg)
coverage approx 1 sq.ft. (1 layer deep)
application indoor and outdoor natural gas and propane fireplaces and fire pits

*this product does not qualify for free shipping.