VK Set – is an exclusive PUBG set which contain 5 clothing items. Originally it was the reward for users who spent over 10 dollars on a PUBG items via VK Pay (a payment system of the Russian social network VK.com). Promotion is no longer active.
How to get?
On this moment you can only buy it from the third-party sellers. Be aware of scammers. Do not risk your money if something look suspicious.