Super cute and super practical! Thanks to its weighted straw technology this fun sippy cup can be used any way up. No more sucking at fresh air - the weight simply follows the liquid. WIth its leak proof, flip top lid it's ideal to take out too, making it invaluable for weaning, whether you're following baby led weaning or conventional weaning. Check the measure to see how much they've drunk. Dishwasher safe and reassuringly BPA & Phthalate free. Matching range available, including spare straws & brush set. TUM TUM is a family business, based in Buxton in the Peak District. Being parents ourselves, with children who were determined to feed themselves independently we have always tried to make mealtimes fun and relaxed whilst helping them to feed themselves by themselves. Big design for little fingers!