25 pack roller bottles, sungwoo 10 ml essential oil glass roller bottle with stainless steel roller balls amber sungwoo <b>25pack glass roll on bottles with stainless steel roller balls & black caps.<br><br> perfect for essential oils, perfume oils, or other liquids.<br><br> safe, secure and convenient packaging.<br><br> perfect for travel, and conveniently fits in your purse.<br><br> glass protects against harmful uv rays