I'm sorted thanks.I use one of these:
5.5g with no sawing required. Still long enough to feel usable but I bet it'd fit in @cathyjc's wash bag. The bristle head is obviously smaller than a standard adult toothbrush though, so that may or may not be your thing. No problem for me.The world’s most sold bamboo toothbrush. Eco friendly and socially responsible oral care designed by dentists. Each brush sold helps a child in need.www.thehumble.co
Well done to Jordan for working to reduce their plastic usage though.