The soft silicone straw is really easy to drink through and they dont need to tip the cup as much as they do with a sippee cup when youre out and about the straw flips down to stay clean and prevent spills the soft straw on this cup is smooth and gentle on gums even during periods of teething 173 and were also smooth and gentle on you all our cups are dishwasher safe on the top shelf can be sterilised in the microwave and have interchangeable parts specially designed to h