Feature: 1. Feed Training: The transparent and soft silicone material of this baby spout nipple straw allows babies to easily learn to drink lying down with the help of the gravity end design. 2. Leak and Splash Proof: This baby sippy spout nipple weighted straw features a leak proof and splash proof design, ensuring mess free drinking for your little one. 3. Flexible Interchange: Compatible with most sippy cups, this babyspout nipple weighted straw allows for easy interchange between learning and straw cups. 4. Durable and Reliable: Made from premium silicone material, this sippy cup spout nipple weighted straw can withstand a wide temperature range and repeated use without losing its transparency. 5. Convenient Clean: Whether you prefer steam, boiling water, or UV cleaning methods, this baby nipple weighted straw can achieve hygienic use. Specification: Item Type: Baby Spout Nipple Straw Material: Silicone Description: Soft silicone, high temperature resistance, with gravity bottom let the baby easily learn to drink water lying down can also drink. Leak proof and spill proof, can be used in most sippy cups, and can be exchanged between the learning cup and the sippy cup by replacing the sippy nipple and other accessories High temperature resistance, boiling, steam and UV resistant, temperature range -20°C to 120°C, can be used repeatedly. Package List: 1 x Baby Spout Nipple Straw