The containers have been made of borosilicate glass which has no effect on taste and which puts up with even the most extreme temperatures while being particularly light and stable.high-grade borosilicate glass container with stainless steel lid leak-proof thanks to the silicone seal and click closure airtight and aroma-proof lasered QR code for stock checks via App (only for Android) containers withstand heat up to 300 degrees and cold down to -20 degrees do not heat the lid filling volume 800 ml suitable for oven and microwaveLasered QR code for stock checks via App (only for Android) – this is how it works: Download the free App “Inventory and shopping list manager” | Scan QR code and personalise container (record quantity, weight, ml, shelf-life etc.) | It’s that easy to manage the entire stock of all storage areas such as the fridge, freezer or store cupboard | Create shopping list | Details can be saved locally on your mobile and also processed offline. Materials: borosilicate glass / high-grade stainless steel / plastic / silicone Dishwasher safe
