The plug can be directly fixed on the , and can be removed directly when using the ; after removing, the plug will hang on the . They prevent from adhering to the , are air-tight and splash-proof. Features -Color:White -Material: -Size:4.00X2.50X2.00cm/1.57X0.98X0.79in - Constructed by using high-grade material, it safety and can use it with confidence. - Light weight and small size, easy to carry with you when going out, very convenient for you. - This cap is especially for outdoor activity. They can also be great decorations for your in daily use. - These cute tips cover are not only suitable for themed parties, birthday parties and child rewards, but also applicable for baby shower, ceremonies, graduation parties and others. - These covers are perfect for decorating . Creative cartoon shapes, charming and beautiful, decorative. These are very practical friends and family. Package list: 4 x tip cover