Container size - 22 x 52 mm Includes - 100 sets of 10 ml glass vials with 100 black 18-400 caps with PE liners Material and closure - Clear Type 1 Class B borosilicate glass: hard, durable, long-lasting, reusable - Black 18-400 cap with PE liner: secure, leak-resistant closure Applications - Ideal for general laboratory use as sample bottles and reagents bottles - Suitable for storing essential oils, mineralized makeup, eye shadow, lotions, lip balms, toners, creams, ointments, acrylic powder, and other beauty aids Use scenarios - Laboratory sampling and storage: aliquot small samples and reagents in a reliable container - Cosmetic and personal care sampling: package or store essential oils, toners, lip balms, eye shadows, lotions, creams for testing or retail samples - DIY beauty products and makeup ingredients: organize and protect acrylic powder and other ingredients while preserving integrity Note - Each set includes one 10 ml glass vial and one 18-400 cap with PE liner for a secure fit and consistent compatibility