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Should fit most car cup holders
on 21 August 2015
Steel vacuum flasks/tumblers review.
Rather than review individually, reckon it more informative to provide comparison of all the ones purchased on Amazon website and are being used. These are :-
Contigo Autoseal Stainless Steel Vacuum Insulated Tumbler 470ml
Primus Commuter Mug, 300ml,
Contigo Aria - Travel Mug with Lock, 600 ml,
Bodum Travel Press Set Coffee Maker, Purple, Lime Green + Off White, 350ml,
similarly, Bodum Vacuum Travel Mug, Stainless Steel with Black Lid and Band, Small, 0.35 l, 12 oz
Which keeps the hottest for longest ? Best one at number 1 below :-
1. Contigo Aria - Travel Mug with Lock, 600 ml (obvious really as it has largest volume of hot water to begin with in its container.
2. Contigo Autoseal Stainless Steel Vacuum Insulated Tumbler 470ml
3. Primus Commuter Mug, 300ml
4. All the Bodum's are the same and ranked 4th. The lids are not sealed (there is a tiny vent).
They each claim so many hours of keeping hot and so many for cold. I beg to differ and reckon it all depends on ambient temperatures. On average on a winter's night in Southern England 3 hours is maximum of what you could possibly stretch to, to say kept hot in the 470ml Contigo.
Although the Contio 470ml juts out the side elasticated pockets of a PacSafe Shoulderbag VentureSafe 300
(http://www.amazon.co.uk/gp/product/B005N0NBSU?psc=1&redirect=true&ref_=oh_aui_detailpage_o07_s00), it stays in while the bag is worn while walking around and shopping. However, its size got in the way when inserted into the cup holder of one of our cars. (The holder was in front of the gear stick and it was difficult enough trying to insert the tumbler into the holder while the car was stationary - it was too tall and the console below the dash board prevent it from fulling sitting into the holder.
This prompted the purchase of the Primus Commuter 300ml insulated tumbler. The short height and the narrow base allowed it to go inside any of the bup holders in any of our cars and could be access with ease while driving. However, the design of the seal in the lid was a problem. It wasn't quite as easy to use as the Contigo but worse, after a zip of a drink, the design of the seal meant a bit of liquid always present in the mechanism (due to water's surface tension etc.). Upon closing the seal, this inevitable liquid shoots out of the hole for drinking. After coffee dropplets spray out of the hole onto steering wheel and dashboard, I gave up using the Primus inside any of the cars. It is relegated for walking trips where it is held in external side pockets of backpacs.
The 600ml capacity Contigo was bought for longer car journeys. It has advantages and disadvantages over the 470ml design. The seal is improved with a lock. The button to open the seals now also slides to lock (should you want to) after the seal is shut. The base of the flask has a good silicon rubber ring such that if you accidentally slam it onto a table top too hard, there won't be damage to either. The rubber also makes it less likely to slide of a table on a rolling ship where I often work. But, this rubber and the wider diameter of the flask base (compared to the 470ml Contigo) makes it less easy to slide in and out of the main cup holder (behind the gear stick) although it goes in ok at the big cup holder at the door in another of our cars.
The difference between the Bodum Travel Press and their mug is the inclusion of additional lid which has a press - great for coffee drinkers. Works for tea leaves also. In fact, we bought more travel press than mug because they were discounted to lower price than the mug. These Bodums are mainly for indoor use as they are not leak proof. Bought these because they are insulated but also to replace ceramic mugs which kept leaking and cracking. The Bodums all have rubber base. Need a long tea spoon to fish tea bags from the bottom of these mugs. I would say these Bodums are good for about two hours for hot tea. The wider, rubber base makes these lease easy to slide into the main cup holder as compared to the 470ml Contigo
If I had to choose one model, then I would choose the Contigo 470ml (with the narrowing base (because noticed there is a newer 470ml design with base diameter about the same size as the waist)) because the size and design is suited to most situations /cup holders.