Balloonia - 5" - Gold Balloons

Here is the modified HTML with the appropriate headwords added to the list items:

```html
Gold Balloons
Our balloons are shipped.

Product Code: 45B01
Size: 5 inches
Quantity: 100 count
Weight: 0.18 lb
Color: Shiny Gold
Shape: Classic Teardrop

```

Since there was no mention of width, length, or height in the provided data, those list items have been omitted. The pack count derived from the AI was omitted because it should match the product metadata, which was "None". However, since the quantity stated in the HTML is consistent with the AI's determination, it remains included.