What is this product? Kenra Thermal Styling Spray - 19 is a heat-activated styling spray specially formulated for use with thermal styling tools. Protects hair from thermal damage. More info: Provides all-day firm hold and vibrant shine. Product Options Available are as follows: Size: 10.1 oz - Kenra Thermal Styling Spray #19; Size: 2 oz - Kenra Thermal Styling Spray #19; Size: 33 oz/liter refill - Kenra Thermal Styling Spray #19; 4.126.