Your search for "gel handling film" revealed the following
Gibco-BRL 14 cm vinyl, sharkstooth CGK50-040
50 wells, 1.0 cm deep, 0.4 mm thick, 2.8 mm pt-to-pt for Gibco-BRL
Gibco-BRL 14 cm vinyl, sharkstooth, 25 wells CGK25-040
25 wells, 1.0 cm deep, 0.4 mm thk, 5.7 mm pt-to-pt for Gibco-BRL
Gibco-BRL 41.8 cm COEX, 0.8mm thick, 1 set SGR42-080
41.8 cm COEX, 0.8mm thick, 1 set, 12 foam blocks included Gibco-BRL
Gibco-BRL 15 cm mylar, sharkstooth, 33 wells, 1.5 cm, .25 mm thick CMT33-025
33 wells, 1.5 cm deep, 0.25 mm thick, 4.5 mm pt-to-pt for Gibco-BRL
Gibco-BRL 41.8 cm vinyl, 0.35 mm thick, 1 set SGR42-035
41.8 cm vinyl, 0.35 mm thick, 1 set, 12 foam blocks included Gibco-BRL