There are holes in each teat to allow the milk to flow. Unique Design: Featuring a distinctive shape, this milk bottle cap adds a unique flair to your milking routine, making you shine among friends and peers with its one-of-a-kind appearance. Practicality Meets Efficiency: Designed to prevent milk spills and facilitate easy pouring, this practical tool enhances the milking process, ensuring neatness and convenience during everyday use. Versatile Use: Perfectly fitting the interface of milk cartons, this cap eliminates concerns about compatibility issues, offering a versatile solution that works seamlessly with a variety of milk containers. Ideal Gift: Make a thoughtful gesture by presenting this innovative milking machine tool milk bottle cap as a gift to friends and family. It's not just a useful item but also a symbol of your care and consideration. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Minnanxin