Light sweatshirt fabrics ideal for making T -shirts, dress, skirt, jogging: 150 cm.POIDS: 235 g/m2 Competition: 96% cotton - 4% elastane. PARRALLE ELASTICITY on the edge: 50%. Elasticity rate perpendicular to the edge: 30%. The Standard 100 Oeko-Tex 100. Certified Oeko-Tex (Certificate number: 1802023). To check the validity of the certificate: click here