Hy TEC Wash-In Proofer is designed as an easy & convenient way to enhance the water repellancy of soft & hard shell fabrics. Hy TEC Wash-In Proofer garments can be air dried or tumble dried. Hy TEC Wash-In Proofer is recommended for all breathable fabrics. The concentrated formula provides water repellency for up to 4 garments. Hy TEC Wash-In Proofer optimises breathability, is long lasting, odourless & residue free. It maintains look & feel of textile. Durable water repellency is further enhanced by tumble drying on a medium heat setting.