Nuby 9801 leakproof Trinkhalmflasche 355ml, with soft silicone straw and hygienic Trinkhalmverschluss, 1 piece, color non-selectable (Baby Product)
My son has two of these cups since he was 12 years and copes well with it. Drinking works great, the assembly is somewhat complicated, but after a few times has mans out then. Super is that there are straws for exchange, because after a while they ar