High Quality Glass: The vials are made of clear Type 1, Class B Borosilicate Glass, low content of free ions, low coefficient of expansion, and very high chemical resistance. It is suitable for containing all injectable preparations with acid, neutral and alkaline pH
Leak-proof: The cap comes with a PE pad, which combined with the threaded spout, better prevents the liquid from leaking or evaporating
Specification: Sample tiny glass vials with black screw caps.0.67oz Bottle height (without cap): 57 mm/2.24'', bottle diameter: 27.5 mm/1.08''. Cap diameter: 27.5 mm/1.08'', cap height: 12.5 mm/0.49''
Wide Application: Ideal for general laboratory using sample bottle, reagents bottle, storing essential oils, specimens, mineralized makeup, eye shadow, lotions, lip balms, toners, creams, ointments, acrylic powder, and other beauty aids. They are ideal to hold samples of loose leaf teas, spices, cooking oils, herbs, and paints
Quantity : 100 sets 100 pcs of 20 ml glass vial, 100 pcs of 24-400 black closed cap with PE liner