The inverted bottle cap is designed to prevent leaks and spills, making it suitable for use in the bathroom with shampoo bottles or in the kitchen with condiment bottles. Its flip-top design ensures easy dispensing, while the secure seal keeps contents fresh and prevents messes. This cap is ideal for those who want a simple and clean experience. Features -Color:Black -Material:TPE -Size:5.30X4.50X2.50cm/2.08X1.77X0.98in -Inner Diameter: 18mm, 22mm, 27mm -Convenient and practical: the inverted design allows for easy control of liquid flow, preventing waste and ensuring efficient use -Leakproof and spillproof: tightly sealed to effectively prevent shampoo, condiments, and other liquids from spilling, keeping your space clean and tidy -Versatile application: suitable for various bottle caps, including bathroom shampoo bottles and kitchen condiment bottles, meeting different usage needs -practical and reliable: made from practical materials, this cap is practical and reliable, ensuring use without damage -Easy installation: simple and userfriendly, it can be installed with just a gentle press, making it convenient and quick to use Package list: 2 x bottle caps (18mm) 2 x bottle caps (22mm) 2 x bottle caps (27mm)