Perfume Cap Neck Sizes: A Complete Fitting Guide (15mm, 18mm, 20mm)
A stunning cap design is rendered meaningless if it doesn’t fit your bottle. Neck size mismatch is the most common sourcing mistake made by new fragrance brands, leading to loose caps, leaky bottles, stuck pumps, and costly production reworks. Many buyers don’t realize that “standard size” can mean different things across various bottle and pump […]
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