The BR402 is a 0.5oz Amber Boston Round glass bottle with a 18-400 neck. The characteristics of the Boston round bottle are its unique shape and wide base. This product is perfect for essential oils, e-liquids, pharmaceuticals, fragrances, and other liquids. The amber color of the bottle provides some UV protection which makes it perfect for light-sensitive products. This bottle can be paired with closures that have a pipettes length of 65mm and a neck size of 18-400. Shop the matching closures below.