VWAP Bollinger Bands

What makes this different from vwap bands / bollinger bands?
This indicator takes a bit of inspiration from bollinger but instead of utilizing built in pine script std dev that uses simple moving average internally, this version replaces that with vwap.

Also instead of traditional bollinger band basis of 20 period simple moving average, the basis here for the bands is the vwap.

How to use it?
Usage is similar to vwap itself, though the standard deviation bands will expand and contract like normal bollinger bands instead of vwap bands that just widen as the market movement continues. The bands tell a slightly different story from bollinger bands as the underlying data utilized is the vwap itself.

Which markets is this meant for?
Any market.

What conditions?
This aids in finding conditions of entry standard to vwap, but the bands could give key areas of focus for entries and exits better than standard bollinger bands or vwap bands.