DeepRoot 30-Inch by 100-Feet Water/Bamboo Barrier Roll, 40mil Block roots, control invasive species and bamboo, protect foundations and manage water 30" deep; 40 mil (1.02 mm) thick; 100' long Ideal for homeowners Can be cut to any length, or joined vertically or horizontally with the DeepRoot water barrier tape to add length and/or depth Made in the USA