This product is very durable because it uses 10 Princess ropes and 20 jute strands for warping. Made with all natural materials and can be retracted into soil after use, so you can use it with confidence. How about rolling tree roots, frost protection, crop away, mulching fields, snow surround, curing muddy and slopes, preventing snow roads, pest control and weeds? There may be a black line on the surface of the como. This is the process of steam sterilization at high temperatures above 86 degrees Celsius, and will not affect the quality. Comes rolled with stretch film.