Clash Royale top up across Fistful of Gems (80 Gems), Pouch of Gems (500 Gems), Bucket of Gems (1,200 Gems), Barrel of Gems (2,500 Gems) and Wagon of Gems (6,500 Gems). Every seller is identity-checked, and every payment is held in escrow until you confirm the order arrived.
You give your in-game ID at checkout and the seller tops it up. Instant listings deliver within minutes.
Yes. The seller is only paid after you confirm the top-up arrived.