Oval artis makeup brushes

Now these have been around such a long time but around the end of  2015 oval makeup brushes have really taken  off. 
Now working for MAC I have been these around but never actually got a chance to use them. Plus it's way too expensive for me to buy seeing that I can't really use them in my clients. 
Not that there is something wrong with them. The oval brushes are designed to be used on yourself. The normal long Handel brushes are designed to be used  on others. 
Only £20 Here is the link to the vender I got mine from https://www.ebay.co.uk/ulk/itm/231851034230