The Dr Seuss Infantino My 1st Tumbler Limited Edition 6m+ The Grinch GREEN Cup is a 9 oz. sippy cup made of silicone, suitable for babies 6 months and older. It features a straw lid, handles for easy holding, and is dishwasher safe for convenience. The green color adds a fun and festive touch, perfect for young children learning to drink on their own. This limited edition cup is a great addition to any baby's feeding collection, combining practicality with a touch of whimsy.