A gift block shows on a storefront page when each item below is true. Check them in this order.
The Wrapped app embed is on in your live theme, shown in the App embed pill on Home.
The gift option is Active, not Draft, in its Status section.
The gift block for that page is on in the Gift blocks section, where the cart page and the cart drawer are separate switches. Gifting for Products covers the product page, cart drawer, cart page, and checkout. Gifting for Orders covers the cart drawer, cart page, and checkout.
The gift product is Active or Unlisted in Shopify, not Draft or Archived.
The gift product is published to the Online Store sales channel. If not, press Publish gift product in the gift option settings.
The gift product has inventory, or continues selling when out of stock.
The gift product is available in the shopper's market, and in yours when you test. If not, the gift block shows but the gift cannot be chosen, unless Hide when the gift product is unavailable in the customer's market is on.
No Gift block visibility rule leaves the product out by tag, product, or collection, and Hide for B2B customers is off for B2B shoppers.
Checkout gift blocks need Shopify Plus, a Shopify plan, not a Wrapped plan.
Test on your live theme in a new tab after saving, and allow a minute.
Still not showing? Message us from Wrapped. Bowie reads and checks each setting.