We have several different types of glass roll-on bottles under this product group. They are glass roll-on bottles, essential oil roll-on bottles, tubular roll-on bottles, and glass deodorant roll-on bottles. 

Generally speaking, the roller ball can be made in glass, plastic, and steel. While the cap can be both PP and anodized aluminum.

For essential oil roll-on bottle, the standard color is clear, blue, green and amber, also in a frost finish. The capacity is 5ml, 10ml, 15ml, 30ml, 50ml and 100ml. 

For glass roll-on bottles, the standard color is clear, amber and blue, also in frost finish. The capacity is 3ml, 5ml, 8ml, 10ml, 12ml and 15ml. 

For tubular roll-on bottles, the standard color is clear and amber comes in 1ml, 2ml, 3ml, 5ml, 8ml, 10ml, and more. 

These roll-on bottles can be a top choice for essential oil, be sure to test them with your unique products to ensure complete compatibility before purchasing in bulk.