KLOUD City 8 pcs 1/3 oz. (10ml) Roll on Roller Glass Bottle Refillable Bottle for Essential Oil Perfume Deodorant Lip Balms with Ball and Cap (Metal Ball) Package included 8 pcs empty roll on glass bottle with metal ball Good for essential oil,perfume etc. Refillable so you can use over and over again Convenient size so you can take anywhere with you Full length 3.25 inch