Are these bottles safe for essential oils?
Yes – amber glass provides excellent UV protection; stainless roller safe for potent oils.
What size is the neck and fill level?
16mm neck; ~10ml fill with headspace for smooth rolling.
Will they leak during travel?
Leak-resistant design – pack upright for extra security.
Can I remove the roller for cleaning?
Yes – gently pry with pliers; wash with warm soapy water or alcohol rinse.
Are they suitable for perfume or serum roll-ons?
Absolutely – smooth steel ball for precise, non-drip application.
How to clean and reuse?
Remove roller/cap, wash with hot soapy water, air dry – fully reusable.
What labels fit best?
Small rectangular or round labels – perfect for branding.
Are they food or cosmetic safe?
Yes – high-quality materials for oils, serums, and blends.