I doubt you're going to find that EXACT bench ... the website says they are custom made to order in Australia. For something 'similar', I would google image search 'tufted modern ottoman chrome"

Yes, I've heard "chalk" paint is easy to use. Would this need a top coat to protect Brandi? Alternatively, you could start by coating the table top with a limewash varnish. You can build up the coats to achieve the look you like. What is the colour of the wood? Chairs will be more fiddly to paint, so perhaps start with just the table. There's also trend of "paint-dipped" legs you could do for table or chairs, if you like this look. A way to bring in colour without doing a whole piece. If you'd like to give the whole chairs a face lift, here's some inspiration. The table in this image appears to have limewash (aside from the top) and paired with pastel chairs. You could do just table top and leave legs as is. Then do chairs in various colours...

Mimosa has a similar product. Without knowing the actual furniture manufacturer, mimosa may be a good alternative.

https://www.mimosaoutdoors.com.au/?gclid=EAIaIQobChMIwN_Cm67a5QIVRh0rCh2CjAlgEAAYASAAEgLgXPD_BwE&gclsrc=aw.ds