?These glass roll-on bottles with a stainless steel ball insert roller balls are 85.5mm tall.?The bottle is 20mm wide.?This roller bottle holds 1/3 oz liquid.?Great for mixing your favorite essential oils to roll on as a perfume, etc.?We are offering our best, wholesale cheap prices to you.?Thanks for looking at our roller bottles.Product Description：Wholesale 10ml clear glass roller bottles with stainless steel roll on inserts and black caps. http://www.fysunshine.com/glass...-oil-roller-bottles.html