From Admin panel, go to Catalog → Product -> Catalog → Product → [Edit Product]

  • Featured Product: Select On/Off feature to define the product for feature product block.

  • Has Upload File: Select on / off to determine whether to use the upload feature.

  • Color: Select color want to display for product.
  • Size: Select size want to display for product.

Notes: After saving data on admin panel, you run 2 comands:

  • php bin/magento indexer:reindex
  • php bin/magento cache:flush