BaroCook Thermal Cafe Cooker Set with 5 heat packs Includes 13 oz Mug and 5 20g flameless heating packs No fire or electricity required. Add water to heat pack and cook for up to 30 minutes Eco-friendly, non-toxic and biodegradable heat packets available in multiple sizes Reheat foods safely with high-quality rust-resistant type 304 stainless steel BPA, phthalate, pvc & lead free