Hello, Razr1911,
Thank you for reaching out to us and bringing this issue to our attention.
XStore Builders > Single Product https://prnt.sc/7sqfyOV6mTwQ > Tabs element settings > add item https://prnt.sc/riAIaeLGHbtS
Should you require further assistance or have any additional information, please do not hesitate to reach out.
Best Regards,
8Theme’s Team