One X on the package symbolized it was good. Two XX meant it was even better. Three XXX was tops. Triple XXX Root Beer is the best of the best. Holding the 3-x quality and made its way to the soda market in the mid-1900's being made with pure cane sugar root beer. Your root beer lovers will surely enjoy this one. This is a wonderful glass bottle soda to add to your craft soda collection or to your glass bottle soda section in your shop. **Shipping glass isn't easy and sometimes accidents happen. In the event of breakage/damage, please be sure to take pictures of the complete box as well as the damage that occurred. Our policy requires photos and damage report within 24 hours of product receipt.