These are official StockX authentication tags used for verifying the legitimacy of sneakers, streetwear, and collectibles sold on the StockX marketplace. The set includes two types: elongated green hangtags printed with 'STOCKX', 'Always Verified Authentic Since 2016', and circular tamper-evident security seals featuring a white 'X' logo and holographic QR-like verification patterns. Each circular tag is threaded with black cord and bears the warning: 'Please inspect item. All claims null and void if tag is removed. Verified Authentic.' These tags are not wearable products themselves but essential anti-counterfeit tools—attached to items upon verified purchase and removal invalidates authenticity guarantees. Designed for high-security verification, they combine visual branding (bold white X on matte dark green) with covert security features (holographic micro-patterns). Used across global resale markets to ensure buyer confidence in premium footwear and apparel. Ideal for collectors, resellers, and platforms requiring third-party authentication.