When food is stored with a starting temperature between 4 to 7 C straight from the fridge will be at ~13C after 6 hours when the lunch box is stored at a room temperature of 21C.
Why Tyffyn and not another lunchbox?
Tyffyn is the most advanced thermally insulated lunchbox in the world. It was designed using state of the art technology to make sure your food stays the way you like it, whether hot or cold, to prevent spills, and to fit easily in your bag. For more information, please click here.
What is my Tyffyn made of?
All three variants of Tyffyn is made of the highest food grade stainless steel approved by FDA (Federal Department of Agriculture, USA). The inner containers are also food quality stainless steel material coated on the outside with an elegant copper finish. The lids are made of shatter-proof durable FDA approved BPA free plastic. All our parts are made to be RoHS and SVHC (latest European standard) compliant.
Is your variant “Wool” really made of wool material, and “Maple” made of wood?
No, the “Wool” variant and the “Maple” variant is made of food grade stainless steel material with “Wool” and “Maple” graphics printed on it.
Can food be kept hot for 5 – 6 hours in the Tyffyn?
Yes. All our Tyffyns are 100% inspected with state of the art technology to perform to the specification that your food will be at 45C average after 6 hours if you load the food at 70C with a room temperature of 20-21C. If you consume it at 5 hours, you will even get hotter food (50C+) and if you load food that’s hotter than 70C, you will get better performance as well. See below tips to further improve the performance of your Tyffyn. The Tyffyn can stay cold for approximately the same amount of time. The Tyffyn is an interactive user product – the better you treat it, the better it will perform for you.
Tyffyn was designed to keep your food hot or cold, depending on your needs. It was not designed to carry both hot and cold food at the same time.
Tyffyn is especially well suited for moist, dense, hot food. Ideal for all curries, dhal, rice, roti, idli/dosa, biriyani, kebabs, tikkas, rasam rice, chowders, mashed potatoes, lasagna, gnocchi, baked pasta, minestrone, moule, tofu, rice, ratatouille, cream of vegetables, dumplings etc.
Tyffyn is also very suitable for cold food, such as salads, tofu, yogurt, ice cream, fruit, cheese, cold noodles, gazpacho, potato salad, rice salad, cole slaw, deviled eggs, jello, sushi etc.
Is it OK to put my Tyffyn in the refrigerator or in a freezer?
Cooling down the inner containers before placing food into them (especially ice cream) would help keeping your food cold longer. There is no need to cool down your Tyffyn’s outer shell. Placing it in the freezer could actually tamper with the vacuum insulated seal and damage your Tyffyn.
Can I put my Tyffyn in a microwave oven?
Neither the Tyffyn outer shell, nor the inner containers are designed for use in a microwave oven. Placing them in a microwave oven could seriously damage both of them and the appliance.
Can I use my Tyffyn’s inner containers on a stove?
Your Tyffyn and inner containers are not designed for food preparation or cooking. Placing any of them in direct contact with fire or a heating element will result in permanent damage.
Can I use my Tyffyn to keep food cold?
Your Tyffyn’s vacuum insulated shell is equally efficient in keeping your food cold, as it is in keeping it hot. When food is stored with a starting temperature between 4 to 7 C straight from the fridge will typically be at the following when placed at room temperature of 21 C:
After 4 hrs – 10 to 12 C
After 6 hrs – 12 to 14 C
How do I clean my Tyffyn?
We recommend hand-cleaning your Tyffyn with a mild detergent and a damp cloth. Never soak the base and outer shell, nor place them under running water, these parts are not dishwasher-safe. The inner containers are instead dishwasher safe, or can also be washed by hand. Never scrub your Tyffyn or inner containers. Never use a solvent, or a cleaner containing chlorine, or water with heavy mineral content as this may ruin the finish of your Tyffyn.
How do I open my Tyffyn?
Watch unboxing video here:
How do I store my Tyffyn?
After cleaning your Tyffyn (see earlier FAQ), store it open in a dry cool place. Also keep the lids off the inner containers to prevent the formation of bacteria, mold or unpleasant odors.
Will my Tyffyn sweat?
Condensation may form inside the inner shell due to the cooling of steam produced by the hot food. While removing the shell, be careful that condensation doesn’t accidentally drip on clothes or furniture. While you enjoy your meal, placing the shell upside down will prevent dripping while providing a safe, clean place to keep the lids of your inner containers.
What is the size and weight of my Tyffyn?
1000ml Tyffyn weighs about 1kg. The dimensions are LxWxH is 16cm x 11.5cm x 17cm and tapers along the edges. The Tyffyn is designed to be sleek and easy to carry.
Can I take my Tyffyn on a plane?
You can take your Tyffyn on an airplane, but security may ask you to inspect its contents before boarding. Restrictions to the type and volume of the contents may also apply.