These are official StockX authentication tags used for verifying product legitimacy on the StockX marketplace. The set includes two types: rectangular hangtags printed with 'STOCKX' in bold white lettering, 'Always Verified Authentic Since 2016', and circular security tags featuring a prominent white 'X' logo on matte dark green plastic, some with holographic QR-code-backed verification surfaces inscribed with 'Verified Authentic. Please inspect item. All claims null and void if tag is removed.' Each tag is attached via durable black cord with plastic aglets—designed to be tamper-evident and non-reusable once detached. These tags are not wearable apparel or accessories themselves but are integral components of StockX’s anti-counterfeit system, affixed to sneakers, streetwear, and collectibles during authentication. They serve as visual proof of authenticity for buyers and sellers, ensuring trust in secondary market transactions. While not a consumer product per se, they represent a critical infrastructure element of modern sneaker and fashion resale culture—highly recognizable in streetwear communities and often collected or displayed by enthusiasts. Ideal for authentication verification, reseller operations, or archival documentation of verified items.