Flexeserve - True hot-holding It’s not just about temperature alone. In order to achieve true hot-holding, it is actually as important to retain moisture within products to keep them stable and maintain optimum quality. Flexeserve Zone can do this whilst also retaining the perfect texture, flavour and product integrity.Read More Our unique technology represents one of the FIVE key elements required to achieve true hot-holding. With our holistic approach, Flexeserve Solution, we tailor all five to help you create your very own hot-holding operation.