Water Soluble Paper and Tape, 2 in W x 300 ft L, Tape, White no checkout staying hydrated for several days Works staying hydrated for several days Works without freezing or ice 360 degree adjustable DSL with two 90 degree quadrants graduated in 2 1 2 degree increments 2 cast in 25 pound pull magnets Groove on bottom permits use on small pipe Lightweight leaving no residue in pipeline Provides a convenient and cost effective method for creating purge chambers for pipe welding Low air permeable purge gas barrier for TIG welding Excellent barrier for retaining noble gas (argon and argon helium mix) Simple and fast construction Dissolves effortlessly and rapidly during water or steam hydro test