BIUDECO 40PCS Essential Oil Roller Bottle Inserts Refillable Roller Balls for Perfume and Lip Oils Standard Fitments Leak Smooth Rolling Versatile Use Safe Material

["Leakproof: the essential oil roller can snap into the essential oil bottle, preventing leaks,aromatherapy ball,perfume roller ball empty","Smoother: making roll smoother suitable for all kinds of bottles and containers,spray bottles small,roller ball bottles for oils","Sturdy: the hardness of the pp material can keep it not easy to deform under normal wear,roller bottles,large roller ball bottles","Convenient: the roller ball inserts makes it convenient for you to apply perfume or essential oil on skin,mister spray bottle roller,glass roller bottles for oils","Easy installation: the installation of the roller is simple and requires no additional tools,eye roller bottle roller,perfume bottles empty"]