The roller sub bottles are made of , which is durable and practical for the lasting use. It is suitable for perfume, essential oil and so on storage use. The material enjoys the strong durability, not easy to deform or break. Compact size, provides convenience to carry and store. Features -Color:Assorted Color -Material: Glass, Steel ball, PE, PP -Size: 6.90X2.60X2.60cm2.71X1.02X1.02in -Note: Gem is random color. -Capacity: 12ml -They are made of , which can withstand the lasting use. -The packaging makes it perfect for traveling, and it easily fits in your purse. -Our roll-on bottles are simple to clean or fill, you can easily refill it and have a . -It can be used as the container for essential oil, perfume, cosmetics, etc., during the travelling. -You can use it to DIY your own perfume or essential oil at yourself. Package list: 12 x Bottles