synthetic material; Glass bottles-- these mini vials are made of borosilicate glass that features excellent chemical-resistance, thermal properties and clarity.; Mini sample bottles-- the glass vials include orifice reducers that regulate pouring, prevent leakage and keep your oils from accidental spilling.; Glass essential oil vials-- refillable, reusable, and portable. easy and convenient to use.; Glass containers-- for essential oils, lotions, facial toner, hand cream, sun cream, etc.; Travel liquid container-- these bottles are easy to clean and recyclable, which makes them can be used many times.
What's in the box
30 x Glassware & Labware