This 0.20 cu. ft. 10 lbs. 3/8 in. Black Decorative Lava Rock starts as molten lava heated from the depths of the earths natural volcanos. It is crushed down to a size of 3/8 in. and can be used in landscaping applications as well as in propane or natural gas firepits or fireplaces. Lava rock is the perfect material to be used for drought tolerant， water wise dry-scape landscaping and gardening. It will create a dramatic， natural effect when used in gardens， ponds and stream beds as well as around trees， walk ways， driveways and patios. These stones are easy to spread， protect soil from temperature extremes， restrain the growth of weeds and can also be used to help protect drainage areas from erosion.

Each lava rock is one of a kind and color hues range from dark grey to charcoal to black

Can be used in propane or natural gas firepits or fireplaces

Warning: do not use with wood burning firepits or fireplaces

Beautiful， natural stone to use when trying to save water in dry-scape or xeriscape landscaping and gardening

Ideal as a lawn replacement or for rock gardens， pathways， around trees， river beds， ponds and water features

Helps with erosion control， water retention in the soil and restrains weed growth

Great for container gardening

Sizes and colors may vary