How can I make the sidebar appear on the left instead of the right? Where do I need to set this?

https://tokoumbrella.com/new-produts/
https://tokoumbrella.com/23-inch-105-cm-o-shaped-bi-fold-automatic-black-umbrella/
The two pages above, a product category page and a product page, have no sidebar. Can you tell me where to set it? I can’t set it. Thank you.