, ▁but ▁contained ▁more ▁res ins . ▁When ▁dry ▁it ▁was ▁hard ▁and ▁in el astic , ▁but ▁when ▁war med ▁it ▁became ▁soft ▁and ▁m alle able . ▁In ▁ 1 8 5 1 ▁Ut ter ho even , ▁described ▁the ▁use ▁of ▁spl ints ▁made ▁from ▁this ▁material ▁for ▁the ▁treatment ▁of ▁f ract ures . ▁In ▁the ▁ 1 9 7 0 s , ▁the ▁development ▁of ▁fib reg lass ▁casting ▁t ape ▁made ▁it ▁possible ▁to ▁produce ▁a ▁cast ▁that ▁was ▁l ighter ▁and ▁more ▁dur able ▁than ▁the ▁traditional ▁pl aster ▁cast ▁and ▁also ▁resist ant ▁to ▁water ▁( though ▁the ▁band ages ▁under ne ath ▁were ▁not ) ▁helping ▁the ▁patient ▁be ▁more ▁active . ▁ ▁In ▁the ▁ 1 9 9 0 s ▁the ▁introduction ▁of ▁new ▁cast ▁l ining ▁has ▁meant ▁that ▁fi berg lass ▁cast s ▁with ▁this ▁l iner ▁are ▁completely ▁water proof , ▁allowing ▁patients ▁to ▁bat he , ▁show er , ▁and ▁sw im ▁while ▁we aring ▁a ▁cast . ▁The ▁water proof ▁cast ▁l iner ▁however ▁adds ▁approximately ▁ 2 ▁to ▁ 3 ▁more ▁minutes ▁to ▁the ▁application ▁time ▁of ▁the ▁cast ▁and ▁increases ▁the ▁cost ▁of ▁the ▁cast . ▁D ry ing ▁time , ▁however , ▁can ▁be ▁incon ven ient ▁enough ▁to ▁war rant ▁a ▁cast ▁and ▁band age ▁mo ist ure ▁prote ctor . ▁These ▁water proof ▁covers ▁allow ▁for ▁bath ing ▁and ▁show ering ▁while ▁we aring ▁either ▁a ▁pl aster ▁or ▁fi berg lass ▁cast