It consists of a roll of a specially perforated band that can be cut to a required length and an adjustable fastener that interlocks to make any diameter required.
NSN 5925-01-634-0664
NSN 2925-00-315-8442
NSN 5945-01-616-1896
NSN 5855-01-287-1515
NSN 6110-00-831-3727
NSN 5920-01-566-0665
NSN 5920-01-501-5593
NSN 6110-01-066-1680
NSN 6240-00-080-2012
NSN 6135-00-182-7008
NSN 7035-00-830-1235
NSN 2925-00-234-7918