( ( ( ( ( ( Polyester film ) ( -LRB- ( Mylar -RRB- ) ) ) , ) ( available ( in ( ( ( ( ( ( ( rolls or ) ( prepared folders ) ) , ) sleeves ) , ) and ) envelopes ) ) ) ) , ) ( ( is ( a ( recommended material ) ) ) . ) )
(ROOT (S (NP (NP (JJ Polyester) (NN film)) (PRN (-LRB- -LRB-) (NP (NNP Mylar)) (-RRB- -RRB-)) (, ,) (ADJP (JJ available) (PP (IN in) (NP (NP (NP (NNS rolls)) (CC or) (NP (VBN prepared) (NNS folders))) (, ,) (NP (NNS sleeves)) (, ,) (CC and) (NP (NNS envelopes))))) (, ,)) (VP (VBZ is) (NP (DT a) (VBN recommended) (NN material))) (. .)))
Polyester film (Mylar), available in rolls or prepared folders, sleeves, and envelopes, is a recommended material.
(ROOT (S (NP (NP (DT The) (NN name)) (PP (IN of) (NP (NP (NN film)) (SBAR (IN that) (S (NP (NN polyester) (NNS fibers)) (VP (VBP form))))))) (VP (VBZ is) (ADJP (JJ mylar))) (. .)))