This is a 2 part water modeling system. This water won’t crack, yellow, shrink or bubble. This has complete illustrated instructions and tech tips for modeling great water scenes. This box will cover over 2 square feet at 1/8″ deep. If you need a smaller amount, contact us for the smaller size which makes 6 ounces. If you need a lot more water, please contact us to order a 3/4 gallon container.