One I haven't seen mentioned - this little plastic box I got from Daiso which contains chop sticks, collapsible spoon and fork very useful when out and about an

One I haven't seen mentioned - this little plastic box I got from Daiso which contains chop sticks, collapsible spoon and fork very useful when out and about and want a snack, also snacks. Daiso has lots of useful things for back packs (not affiliated in any way), have an iPad cover from them, various little hard cases for batteries and earphones etc.