Barocook Flameless Heating Cafe Tumbler Cup BC-004 (Includes 6 heating packs) Holds up to 13 oz. of liquid. BPA, phthalate, PVC & lead-free. Flameless, water-activated, heating packs achieves heat up to 208 Fahrenheit Includes stainless steel inner mug, Black plastic outer mug, PP/silicone lid and 6 20g heating packs (carabiner not included) Non-Toxic Flameless heat source made of Quick Lime Eco-friendly. Heating packs can be disposed of like other environmentally friendly trash