http://www.qdahgj.net/glass-bottle/personal-care-bottle/ This special design of amber glass roller bottles聽are two heads opening, one top is with roller ball, the other type is orifice, and the roller top can be changed to spray top if needed.聽 The mouth size of amber glass roller聽bottles are same, so one type cap can be used for two heads, which is convenient and economical.聽 Now only 5ml and 10ml is available volume to choose, frosting or printing on bottle is also accepted. This amber glass roller bottles are made from soda lime tube glass, a little different mold soda lime glass and also different from borosilicate tube. Product Description MaterialSoda lime glass Item descriptionRoll on glass bottle Capacity5ml, 10ml,聽 LidRoller top, orifice top, spray top ColorAmber, Transparent Available volume5ml, 10ml,聽 Custom designAcceptable frosting, Printing etc UsageEssential oil, Medicine, Perfume, personal care PackingPlywood pallet or carton Sealing typeScrew cap ReusabilityReusable Details Packing: ChinaPersonalCareBottlesuppliersManufacturs website:http://www.qdahgj.net/glass-bottle/personal-care-bottle/