Not a feature list. What actually changes for the person who buys it.
Lead with the single biggest benefit. One short paragraph — resist the urge to list everything at once.
In short
- Benefit one — a line, not a paragraph.
- Benefit two.
- Benefit three.
Close with whatever answers the objection you hear most often. If people always ask about price, or delivery, or whether it lasts — answer it here, before they have to ask.