The HFA Corporation offers a product called the "7" Round Heavy," which is available in a case containing 500 pieces. This product is designed for various uses and can be used in different settings, such as food service establishments, catering businesses, or even for personal use.

Based on the description provided, it appears that the "7" Round Heavy" refers to a round item, possibly a disposable plate, container, or pan. The term "Heavy" suggests that the product is made of durable and sturdy material, capable of withstanding heavier food items or providing added strength and durability compared to standard alternatives.

However, without specific details about the exact nature of the product, such as its material, purpose, or specific features, it is challenging to provide a more accurate description. If more specific information is provided, I can offer a more detailed and tailored description for the "7" Round Heavy" product offered by HFA Corporation.