Product Specifications Material: 45% Viscose from Bamboo, 33% Polyester, 14% Cotton, 7% Spandex, 1% Nylon. Pressure: 15-20 mmHg (Graduated Support). Care: Machine wash cold, air dry recommended. Use low heat if machine drying. Package: 3-Pairs Gift Box. Ideal for Work, Travel & Daily Wear Perfect for long flights, busy days, and anyone who spends hours on their feet.