glass, stainless steel, PP with wood fiber, silicone;a lightweight 25 fl oz Borosilicate glass bowl with a protective and insulating (keep cool) sustainably sourced wood fiber base and stainless steel lid; 100% leakproof; microwave safe, including wood fiber base for easy handling when hot (*not stainless steel lid); oven safe glass and silicone lid (*not wood fiber base); dishwasher and freezer safe; BPA free; Product Size; 3.2" h x 5.5: dia.; packaged in Black+Blum retail gift box;