Back and On Sale! These are the Dram Sized Glass Sample Roll- On Bottles that Everyone's been looking for! We supply these glass roll on bottles in Dram (3.7ml) , 10 ml (1/3 Oz), and 30 ml (1 Oz) sizes. The Bottles come with Pop in Roller Balls and Color Coordinating, Matching Caps. ♦♦♦♦ These Bottles are ideal for packaging sample or travel sizes of personal care products such as , perfumes and breath fresheners and Lip Balms. It's always a good idea to test a bottle with your product before purchasing a large amount of bottles. -- ♦♦♦♦ Bottles each hold about 100 drops of essential oils. (dram bottles are often referred to as 5ml in the trade, although a dram is actually 3.7ml). They work very well! If you want to share your product with friends, or sell it, these are great. You will also be supplied with Plastic Pipettes to help you decant your liquid into these bottles.