Best price: £3.00 (Sainsbury’s)
Capacity: 400ml
Diameter of base: 65mm
For: Cheap as chips; simple design
Against: Not watertight
Overall::
Performance:
The cup did an average job of keeping the drink hot – the temperature inside was 49C after a couple of hours. The TU isn’t designed to be watertight, but it doesn’t drip anywhere near as quickly as some other cups when knocked over.
Ease of operation: 
Its simple design is easy to pick up and drink from – simply twist the centre of the lid to open the drinking hole and take a sip. The rubberised grip around the centre of the cup makes this easier.
Buying:
It’s hard to argue with the £3 pricetag – but the cup is only available in store – not online.
Quality:
Felt surprisingly classy given the budget price. The brushed metal casing should resist scratching well.
Special features:
Not a lot here – but it is just three pounds.