High waist flat tummy effect briefs with transparent tulle on the sides. These EcoDim tummy toning knickers are designed to tone the tum, featuring lace on the sides and a microfibre back. They have a cotton-lined gusset and are invisible under clothing. Fabric: 82% polyamide, 18% elastane. Please refer to the care instructions on the product label. OEKO-TEX® Standard 100 certified, meaning textile products are tested for harmful substances via an independent, international label.