Safe - Slim, the smooth surface and rounded tip ensure that it easily slides in, do not worry that get any scratch. Great used for lube. A must if you inject lube into toys. | Durable - Made of high-quality eco-friendly plastic. | Reusable - Easy to clean, rinse the lube applicator with soap and warm water and let it dry after each use. | Easy to use - Easy-grip finger rings design, precise scales allows you inject the exact amount of the lube. Used for water, silicone, water-based lubricant. | What You Get - Decent Packing. 90 Day Money-back Guarantee. 2-year warranty(replacement service). If you have any question, feel free to contact us. We'll do our best to solve your problem. Rest assured that we offer a free replacement or refund for a defective product. Our #1 priority is that promise customer 100% satisfaction.