It seems like you’re referring to a glass teapot and cups set, possibly with a model number or identifier “6670,” and mentioning a “Parcel Plus Rate,” which might relate to…

How to Use the Glass Teapot and Cups Set

Unboxing the Set

• Carefully open the packaging to avoid breaking any glass items.
• Ensure that the set contains 1 teapot and 4 glasses.
• Inspect each item for any damages that may have occurred during shipping.

Cleaning Before First Use

• Gently wash each piece with warm water and mild dish soap.
• Rinse thoroughly to remove any soap residues.
• Dry each piece with a soft towel or let them air dry.

Preparing Tea

• Boil water using a separate kettle or stovetop.
• Add loose tea leaves or a tea bag into the glass teapot.
• Pour the boiled water into the teapot, filling it to the desired level.
• Allow the tea to steep for the recommended time based on the type of tea.

Serving Tea

• Once brewed, gently pour the tea from the teapot into the glasses.
• Be cautious to avoid overfilling the glasses.
• Add sugar, milk, or lemon as desired to each cup.

Cleaning After Use

• Empty any remaining tea from the teapot and glasses.
• Wash each item with warm water and mild dish soap.
• Rinse thoroughly and dry with a soft towel or air dry.
• Store the set in a safe place to prevent any damage.

Important Notes

• Always handle the glass items with care to prevent breakage.
• Avoid using abrasive cleaners or materials that might scratch the glass.