A 10 Casino Deposit Bonus is a promotional offer that rewards players with extra funds or free spins when they make a deposit at an online casino. Typically, this bonus is a percentage of the deposit amount, allowing players to extend their gameplay and increase their chances of winning. For example, a 10% bonus on a $100 deposit would provide an additional $10 to play with. These bonuses often come with specific wagering requirements, so it's essential for players to read the terms and conditions before claiming the offer.