1 2 3ml micro mini cobalt blue glass roll-on glass bottles with metal roller balls refillable slim sample vial essential oil roll on (blue

for the first time before rinsing with alcohol or water and then dry water do scalded with boiling water, not shatterproof glass, be careful when using. you can install compound essential oils, vegetable oils, essence, perfume, it can be used for eyes, face and other body parts