These are bonuses you cannot take out of your account. When you win a game, such bonus will be subtracted from your winnings when you try to withdraw the money.If you have a $50 sticky bonus for example and make a winning of $500 with it, and you want to make a withdrawal, you will be allowed to only make a withdrawal of $450 from your account and the $50 will be invalid as the bonus. The playthrough requirement for play only bonuses are lower and the bonuses are much larger compared to match bonuses.
This was first established by Playtech owned casinos and other online casinos have caught on over time. You can make a deposit to your account through electronic method without using a debit or credit card. This method involves instant fund transfers and tariff fees are excluded. These other payment options enable players to transfer money discreetly. You can also get pre-paid cards at kiosks.
You can get additional 10 to 15% bonuses when you use these alternative payment options every time you make a deposit apart from other bonuses you can claim.