What is this? This Plastic Disc Top Caps Replacement is made of PET material to enhance stability and ensure that the bottle cap fits tightly onto the bottle, preventing liquid or other contents from leaking. It is suitable for Squeeze Bottles, Refillable Bottles, Shampoo Bottles, and more. What will I get? Disc Top Caps Replacements,is in size of Specification: 24/410 Total Height: 2.8cm/1.1 Inch Total Width: 2.7cm/1.1 Inch Inner Width:2.4cm/0.9 Inch Color: White Material: PET In the package of: 6 x Plastic Press Disk Caps Is there any advantages of the product? This Dispensing Lids not only provides safe sealing for various types of bottles, but also allows for easy quantitative dispensing. The bottle cap itself can withstand certain pressure and friction, and its design is simple and elegant. Its portability allows for one handed operation. How to use it? 1. Select the bottle that matches the Bottle Emptying Cap. 2. Align the protruding part of the bottle cap with the thread of the bottle, rotate the cap until it is tightly fixed on the bottle. 3.After rotating the tight bottle cap, you can gently shake the bottle to check its sealing. What should I notice? Please pay attention to the selection of Disc Top Caps with appropriate size. Due to manual measurement, there may be a 1-2mm error in the product.