MEDICAL GRADE MATERIALThe bottle body is made of medical grade PE material. It has high hardness, the surface is fine and smooth, non-toxic and tasteless, it is healthy and environmentally friendly. ROLLER BALL DESIGNIn order to avoid pouring out a lot of liquid at one time, we have added a ball design, and the balls also have a massage effect, so that the liquid can be slowly oozing out . EASY TO CARRYThe bottle is lightweight and can hold 50ml of liquid, making it ideal for travel or putting it in your small handbag. IDEAL FORCan be used to hold essential oils, perfumes or other non-corrosive liquids. Material:PE.Size:approx 9.8*3.75cmcaliber:approx 2.8cmCapacity:50ml Color:white Package included:4Pcs 50mL White Plastic Empty Refillable Roll-on Bottle