It seems like you’re referring to a product description for a set of plastic rectangular food storage containers. This set includes four containers, and “0400” might be a model…

Description

How to Use Plastic Rectangular Food Storage Containers

Unpacking the Containers

• Carefully open the packaging box.
• Remove each container and lid from the box.
• Inspect the containers for any damage during transportation.

Cleaning Before First Use

• Wash each container and lid with warm, soapy water.
• Rinse thoroughly with clean water.
• Dry with a clean towel or let air dry.

Storing Food

• Choose the appropriate size container for your food item:
• 23.5 x 8 cm for larger portions.
• 20 x 6 cm for medium portions.
• 16.5 x 5 cm for smaller portions.
• 13.5 x 4 cm for snacks or small items.
• Place the food inside the chosen container.
• Secure the lid firmly to ensure an airtight seal.

Maintaining the Containers

• Hand wash or use the top rack of the dishwasher for cleaning.
• Avoid using abrasive sponges that may scratch the plastic.
• Store containers with lids on to keep them clean and ready for use.

Note

• Colors and designs may vary; refer to product photos for examples.
• Sizes listed are approximate measurements.