?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.