How to use prepaid Play+ cards with online sportsbooks?

Here are some US Gambling Sites that accept PlayPlus prepaid cards: DraftKingsplayMGM Play SugarHouse FanDuel William Hill Caesars 888 Sport NJ BetStars NJ Hard RockResorts BetAmerica Golden Nugget Betfair Casino Tropicana Casino Golden Nugget Virgin Casino SugarHouse Casino Caesars PartyCasino Pala Online Hard Rock Harrah’s PokerStars Mohegan Sun Casino Resorts Casino Scores Casino Ocean Casino BetAmerica How PLAYPLUS works? PlayPlus allows customers to load their prepaid Play+ cards with their credit or debit cards, and then forward that money on to their online gaming accounts.