Package & Size: You will get 16 pcs screw caps, the inner diameter is 28 mm/1.1 inch. Before purchasing, please confirm whether the outer diameter of the bottle mouth matches the inner diameter of the bottle cap, otherwise, it will not fit.
Material: These phenolic resin covers are made of pp plastic, are resistant to high temperatures and chemical corrosion, can be reused, and are suitable for storing various chemical reagents and samples to ensure storage safety.
Strong sealing: The bottle cap is designed to fit tightly with the bottle mouth to prevent liquid leakage or volatilization, which is conducive to sealing.
How to Install: To use the bottle caps, simply screw them onto bottles with compatible neck sizes. Twist the cap open when you need to dispense the contents and twist it closed securely after use to prevent any leakage or drying out.
Wide Application: Widely used in various soft and hard packaging threaded bottle caps and plastic bottle replacement caps for daily chemical products, perfumes, essential oils, chemical preparations, food, cosmetics, and medicines.
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