These mini vials are made of borosilicate glass that features excellent chemical-resistance, thermal properties and clarity. The glass bottle is easy to clean and can be refilled and used. Amber bottles are suitable for essential oils, reagents, perfumes, sample displays and dry goods. Compact and lightweight, you can easily store it in your backpack, gym bag and travel bags, etc. 10pcs 10ml (1/3 Oz ) Glass Vials; Dimension: 22mm x 55mm.