Vivaplex B2-OR24 Glass Bottles with Orifice Reducers and Black Caps, 2 ml Capacity, Amber (Pack of 24) 24 - 2 ml Amber Glass Bottles with Orifice Reducers and black caps Perfect for essential oils, mixes, and samples Safe, secure and convenient packaging Perfect for travel, and conveniently fits in your purse Amber Glass Protects Against UV Rays