They're called Project Books and they are widely available. This one I picked up from a Supermarket for only £2.50, but I have also seen them in pound shops if you are on a tighter budget. This one is great quality though.
Also, as the tabs are made from polypropylene, it is possible to use a label maker or a sharpie to label the tabs for each of the meetings you attend, be it faculty, steering groups, SLT, SEN, middle managers etc.
Enjoy being more organised in your meetings!
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