High waist flat tummy effect briefs. Featuring transparent tulle on side. 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.