Thank you for viewing. This is a WM Dental Health mouthwash set, good for two uses. The content is 10ml. It is new, unused, and unopened, but please refrain from purchasing if you are concerned about home storage. It will be shipped via Yu-packet Post mini. We will combine shipping if you purchase multiple items and they fit within the size restrictions. We are open to price negotiations, but we may decline depending on the price, as shipping is included.