Black woven polyethylene adhesive tape for repairing mobile home bottom board. Exactly like Flexmend and other brands. 4 inches wide x 25 feet long. Also available in other various lengths and widths. Application tips: When cutting into the underbelly, cut an X. After the work inside the belly is done, then pull the underbelly together and tape. Before applying, clean area and wipe with denatured alcohol. Do not apply in cold weather. Do not apply in cold weather. If it must be applied in temps under 50 degrees, briefly apply heat using a trouble light with an incandescent bulb or hair dryer. Typical end uses per manufacturer include temporary building repair, tarp repair, bottom board repair and agricultural and landscape fabric repair or joining.