-RH means you wear your glove on your right hand. It should be included at the end of the model number on your order.
Because it also means that you throw with your left hand, be sure Throws With Left Hand is shown in the cart.
This Team Backpack features 2 external neoprene side bat sleeves along with an additional bottom button that will allow you to carry a third bat. The BKPK comes with a removable external pocket for customization and has a hidden ventilated shoe pocket as well.