These are official StockX authentication tags used for verifying the authenticity of sneakers, streetwear, and collectibles sold on the StockX marketplace. The set includes two types: rectangular hangtags printed with 'STOCKX Always Verified Authentic Since 2016' in white on matte dark green cardstock, and circular security tags featuring a prominent white 'X' logo on dark green plastic, some with holographic silver centers containing microtext and QR-like patterns. Each circular tag is attached via black braided cord with a green plastic aglet, and includes tamper-evident warnings: 'Verified Authentic. Please inspect item. All claims null and void if tag is removed.' These tags serve as anti-counterfeit measures—removal invalidates authenticity verification. While not wearable apparel or accessories themselves, they are essential components accompanying verified products. They reflect StockX’s commitment to trust and transparency in the resale market, particularly for limited-edition drops and high-demand items. Ideal for collectors, resellers, and buyers seeking guaranteed genuine goods. Not a standalone product but a certification system element.