For Personalized Backdrop, stay with Backdrops & Banners. Use the photos and the contents line together. If the listing cannot name a size, count, or model, it is incomplete for this query.
Open two or three backdrops & banners cards, check the same printed field, then pick one you can use this week.
Write down the model or size you need for Personalized Backdrop. Availability and price still belong on the product page.