The BNIB Tommee Tippee Transition Sippy Cup in Green is a 150ml cup with a soft lid and teat/nipple for easy transition from bottles to cups. Made from BPA-free plastic, this sippy cup is designed to help babies and young children transition to drinking from a cup like a grown-up. The green colour adds a fun touch to meal times, making it a practical and cute choice for parents and little ones alike.