Hi.

in the detail view of a marketplace listing there is a "h1" html tag missing.
please optimize the detail views for search engines:
https://www.screencast.com/t/dKT5PuS4pMZ
https://easysocial.stackideas.com/574-darius-scott/marketplace/4-5cm-car-sticker-5d-6d-carbon-fiber-universal-styling-car-side-protector-car-bumper-front-rear

Furthermore, the structured data should also include the basics like price, condition and availability in the marketplace.