|Where to next? Our On the Go Alphabet Thermosaf polymer plate is great for any little one who loves things that move! These 10" plastic coupe plates are shatter resistant and perfect for kids of all ages. What is ThermosSaf? ThermoSaf is a revolutionary new food contact-grade plastic that is microwave and oven safe. Approved by the FDA, NSF, and EU for food contact, these plates can safely be washed in the dishwasher and contain no harmful chemicals such as formaldehyde, BPAs, or DEHPs. When comparing our ThermoSaf plates to melamine plates, keep in mind that ThermoSaf is significantly heavier than melamine. In addition, our plates are microwave, oven, dishwasher safe, chemical free and designed & manufactured right here in the Chicagoland area.