Plastic microwave splatter guard

This item is made of polypropylene
(PP) plastic material. It is a cover that is used in a microwave. It fits
around most plates, bowls and platters to protect against splatter. It has
built in steam vents that helps facilitate heating food evenly. Attached to the
top of the cover are four polymer encased microwave-safe magnets which enables
the cover to attach to the inside top surface of a microwave when not in use.
It is top rack dishwasher-safe, food-safe and BPA-free.

Subheading HS: 3924.10.

Source: https://rulings.cbp.gov/index.asp,  July 17, 2017 (N287420)