Pre-cool your jar by filling it with ice and cold water for 10 minutes prior to use. Screw the lid on while cooling Empty and immediately fill with chilled food. Store away from heat sources where possible.

Pre-heat your jar by filling it with boiling water for 10–15 minutes prior to use. Loosely place the lid on top while pre-heating and avoid opening during this time. While pre-heating, heat your food hotter than you intend to eat it, as it will naturally cool during the day once food is transferred. Empty the […]

For hot food, we recommend pre-heating the food jar by filling it with boiling water and resting the lid on top for 10 minutes before use. Please do not screw the lid back on while pre-warming the jar. Heat your food slightly hotter than you’d like to eventually eat it, as it will cool slightly. […]