A 2 ounce bottle pre filled for one application in a bicycle tyre easily fits in a backpack or saddle bag a must have for the repair kit and perfect for any tubeless tyre installation refillable with our quart or pint remove valve core apply threw stem of any tubeless tyre or tubes with removable valve cores or dismount tubeless tyre and apply directly into tyrewill stop slow leaks and punctures this solution converts standard non tubeless tyres to tubeless also works with any tubeles