Features: This baby drinking straw cover is designed with a special sealing structure to ensure that the lid is tightly closed and prevent liquid from spilling out The cover can be converted into a straw function, which is convenient for babies to reduce splashing or spilling when drinking water. It is suitable for children who drink bottled drinks and can reduce splashing or spilling when drinking water. It can be used in various scenarios where children drink bottled drinks and can reduce splashing or spilling when drinking water. The soft straw mouthpiece and straw are soft, which protects the baby tender mouth and is suitable for beverage bottles with a caliberof 2.8cm and 3.5cm. Specifications: Material: plastic Package Includes: 1xBottle Cap Spout Adapter note: Please allow 1 to 3cm error due to manual measurement, please make sure you do not mind before you bid, Due to the difference between different monitors, the picture may not reflect the actual color of the item.