128 recycled plastic sleepers, 16 x 2" x 1"

Two large boxes full of recycled plastic sleepers (that is to say the plastic's recycled, not the sleepers, which are new). Most are drilled on one side for 7 1/4 inch gauge, the other side for dual gauge.

Can't think of a lot else to say about plastic sleepers...

Oh yes, did you know the Ffestiniog Railway have started using them? If not, their video showing automated ballasting with plastic sleepers is well worth a watch from about 12:12 on.