Hi Monty, many thanks for this information - it is a relief to know we won't need an overnight bag as it makes packing and planning easier!
Yes this advice was given in the "General Information for Borneo" sheets that accompanied the Holiday Information pack. It says "During the tour there will be instances where it is recommended to take an overnight bag other than your large case, so please bring an appropriate bag for this." Underneath this, there is a list of "Extra items to pack" and the last item on this list is an overnight bag! Perhaps you could just double check this for us - I don't want to be the only one not to bring an overnight bag and then find out while on tour that we do need one?!!
All the best,
Bob