A Viral Sensation Turned Retail Juggernaut: RMS USA's Mystery Dumpling Continues Its Sell-Out Streak

NORTH ANDOVER, Mass.--(BUSINESS WIRE)-- #glitterdumpling--RMS USA today announced continued momentum for its Mystery Squishy Dumpling phenomenon, a collectible squishy that first took off last year and has since evolved into an ongoing social media craze, with fans racing to find rare variants and pouncing on every restock the moment it drops. In 2025, The Toy Book reported RMS USA's Squishy Bun Mystery Dumplings had in its first phase attracted more than 500 million TikTok viewers, driven by influencer unboxings.