The 35 mm tall, 5 ml perfume tester vial clear bottle with 15 mm neck is a premium, excellent-quality, clear (flint) FSSC 22,000 and food grade certified, 100% non-toxic and 100% lead-free, and microwave and dishwasher safe. The glass bottle is inert, unreactive, and does not leach chemicals into your product. The glass bottle is designed for packing perfume, testers, fragrances etc.