This is one item from a set purchased in-store, so it doesn't have a tag, but I believe it's an XS size based on the size. Instant purchase is OK, but it's also listed on other apps, so it may become out of stock. If you could comment before purchasing, it would be smoother (⋆ᴗ͈ˬᴗ͈)” Black, Women's, Fashion Turtleneck, Tight, Gyaru