Region restriction discussed here: https://www.steamgifts.com/discussion/Rm5bO/humble-bundle-deep-silver-2-bundle-region-locked

"

2. Killer is Dead
   region locking for buyers in Germany
   region locking for buyers in Asia:
   " when you buy this bundle in China, the keys of Killer is Dead and Dead Island Riptide Complete Edition can't be activated outside of Asia. There is a picture in the proof.." proof - maosj
   region locking for buyers in Australia: "Killer is Dead and DI:Riptide if bought in Australia cannot be redeemed in EU" - punisher51
   region locking for buyers in Brazil: "Riptide and Killer is Dead activated as BR. No mention of package on Saints Row 2 or Sacred 3 Gold, so I'm assuming ROW." - Sigma"
   "
   I am from the EU, so I not exactly know, is there any restrictions.

Anyway Good Luck!!!