Flexipick and enough products for a number of months and a bit if you don't have alot of hair..yet or longerlasting if you have Dry/Straight/Col/Curly Xtra-Moisture Hair Type kits. These are dfine for medium-length hair or shorter-thicker hair.. Different kinds of 16 oz (500 ml/16oz) Shampoo is 16 oz and 4 oz .