EcoDim tummy toning knickers. Designed to tone the tum. Lace on the sides. Microfibre at the back. Cotton-lined gusset. Product details • Knickers • Fabric: microfibre • Invisible under your clothing • Control Fabric content and care advice • 82% polyamide, 18% elastane • Please refer to the care instructions on the product label • OEKO-TEX® Standard 100. Standard 100 certification by OEKO-TEX® tests textile products for harmful substances via an independent, international label.