I'll start off with the design, yes it's pretty much very similar to Real Techniques brushes with the rubber bottom and a frosted colour leading up to the brush itself. A simple yet smart design. The handle itself is curved which i really like as i find it easier to hold in my hands, a perfect fit. Now the brush itself, after using the Real Techniques buffing brush, you know how soft those bristles are, well the dupes are so much more softer, you wouldn't believe. They are pretty much exactly the same size as the RT brushes so you're not getting any less at all. It's an all round comfortable brush to use and they last forever, i don't think I've washed my buffing brush properly yet and it's still soft as ever and there's been next to no bristles breaking off and falling apart. For what you're paying, it's a deal you're crazy not to try. Even if the brushes aren't for you, you really aren't losing out money wise, like you would if you separately bought a RT brush.
I highly recommend any newbie to make-up to try these, which i still consider myself as. No shame here, i just never expanded my options in the make-up world til this year and these brushes really have helped me to use different products i never thought of trying.
I overall give it a 5/5, i really can't fault these brushes at all and i highly recommend you trying them. You can buy them here on eBay, if you have a browse there's sets of them you can buy for even better value, which is crazy.