Multi Purpose - The eyelash brush bottle can be applied for eyelash and eyebrow serum, suitable for travel and business trip; Good choices for beginners to practice, daily use or makeup artist makeover. Terrific for Carrying - The lids on these tubes seal tightly to keep air out and preserve the beneficial compounds in the oil, light-weight and won't leaking design good for travel and business trip; always keep one in your bag. Easy and Convenient to Use - Use it to store your castor oil and make your own mascara tube or eyelash cream bottles, easy to wipe off excess oil with ease by the design of the lip on the top of bottles. More Safe - Plastic mascara tube is safer to use because it is BPA free, not leak, convenient to carry, compact and lightweight, fit easily in your makeup bag. Package Include - 32 pack empty mascara tube with wand, 32 pack rubber inserts, 4 pack funnels, enough for spare or replacement.