RelaxMaternity 5110 Cotton Over The Belly Maternity Thong 60% cotton, 32% nylon, 8% elastane Over the belly maternity thong with elastic reinforcement band. Provides support under the belly, prevents back pain, and helps with good posture. Comfortable and ideal throughout pregnancy as a result of its stretch cotton fabric. Breathable and fresh with flat seams for maximum comfort and fit - High quality, 100% Made in Italy To SELECT THE CORRECT SIZE, please refer to the IMAGE of SIZE CHART.