From BEABA, this jar features: Isothermal; double-walled keeps contents cold for 7 hrs. and warm for 5 From 41°F to 59°F in 7 hours, from 203°F to 133°F in 5 hours Made from food-grade stainless steel that’s eco-friendly, durable, and doesn’t transfer taste or smell to foods Airtight and leakproof Wide opening for easy filling Unbreakable BPA, BPF, BPS, PVC & phthalate-free Body: stainless steel Lid: polypropylene Seal: silicone Care: Do not use in oven, freezer or microwave. Hand wash, dishwasher not recommended. This item is not intended for long term food storage. It’s advised to consume the contents of the portion within 6 hours (if the food is warm) and 10 hours (if the food is cold). 500 ml (16 oz) Dimensions: approx. 500 ml; approx. 135x120x118 mm Age: 4 months – 36 months + Imported.