These are official StockX authentication tags used for verifying the authenticity of sneakers, streetwear, and collectible items sold on the StockX marketplace. The set includes two types: rectangular hang tags printed with 'STOCKX', 'Always Verified Authentic Since 2016' in white on dark green matte cardstock; and circular security tags featuring a prominent white 'X' logo on the front, and a holographic QR-coded verification seal on the reverse with text 'Verified Authentic. Please inspect item. All claims null and void if tag is removed.' Each circular tag is attached via black braided cord with plastic aglets—designed to be tamper-evident. These tags are not wearable products but essential anti-counterfeit components applied by StockX during their authentication process before shipment. They serve as proof of legitimacy and are integral to the platform’s trust infrastructure. Widely recognized in sneaker and streetwear resale communities, these tags are often collected or displayed by enthusiasts as symbols of verified ownership. Not intended for standalone retail; exclusively used in conjunction with authenticated goods.