The OXBAR Sour Peach GB flavor, found in disposable vapes like the M20K and the G42K, offers a combination of sweet and sour notes. It's described as a blend of ripe peach with a tangy, sour twist, often compared to sour peach gummy candies. The "GB" in the name likely refers to a cool, smooth menthol or icy finish, enhancing the overall refreshing sensation