The Avanchy Stainless Steel Spill Proof Sippy Cup with a straw makes the transition from bottles to cups easier for your little one with 8 oz. for full use once they master it! Includes a lid and gentle straw to support baby led weaning. Toddlers learning to drink independently for the first time will enjoy the grown-up cup with the safety of our silicone design. The lightweight design and simple shape of the Silicone Sippy Cup make it easy for little hands to pick up and hold.