You'll have to play for 5 consecutive days, fulfilling the Daily Rewards on each of them, and you will find a Gift Box Premium. This version of Gift Box will give you better items than the daily ones.
I ald ply for 7 day and receive 7 normal gift box but never seen PREMIUM gift box . wat is this thing now !!!
IGN : MHcompany
( plus: office raid i just win 4 day ago but never receive any mp7 forest , not say prize will given out on 3 working day? )