Five questions we get asked before every purchase, answered at length and with the range in front of us.
Three words, three different promises, and one of them is the difference between a damp desk and a ruined bag. Here is what each one means, how to test the lid you already own, and which Ideus pieces sit where.
1703 words · by Marta Iken · updated 24 August 2026
Six hours, twelve hours, twenty-four: the numbers on the box are real and they are also nearly useless without the conditions behind them. What the physics actually does, what the figures assume, and how to get a truthful answer for your own mug in an afternoon.
1576 words · by Marta Iken · updated 24 August 2026
Cup holders are not standardised, no listing in this range publishes a base diameter, and the difference between a 66 mm holder and an 86 mm one decides the purchase. Here is how to measure yours in thirty seconds and what the shape of a tumbler does that the numbers never show.
1295 words · by Marta Iken · updated 24 August 2026
Volume on the box is not volume in the cup, a 40 oz bottle is a jug, and the size that suits you follows from one honest answer about your morning. A walk through the ladder with the numbers that matter.
1447 words · by Marta Iken · updated 24 August 2026
The smell is almost never in the steel. It is in the silicone ring you can pull out of the lid with a fingernail, and that changes the whole method. What works, what does not, and when the ring has simply done its time.
1387 words · by Marta Iken · updated 24 August 2026