Made of microfiber to get better comfort and softness with plain seams which produce no marks. Lessening undershirt, ideal to moulding the abdomen area. It's constant use helps to mould and lessen size. Hand wash. Do Not Bleach. Do Not Leave In Soaking. Do Not Tumble Dry. Do Not Twist. Do Not Iron. 80% Polyamide, 13% Elastane, 7% Cotton. Made In Colombia.