How do you add item description as a expandable option for your website?

[dreamlandshop]

For instance this website has an expandable option in the description for "Return".

does anyone know how I can add my description similar to this?

[Gold]

HI, you can add your Store Policies on your Online Dashboard.

Online Dashboard, Settings, Checkout, scroll down to Store Policies, far right Edit Store Policies (then they will appear on the Checkout Page also)

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[dreamlandshop]

thank you very much, it worked!