47% Modal, 47% Cotton, 6% Elastane, Solid Black-Navy Blue, Summer Collection, Altınyıldız Classics Standard Fit Regular Cut 2 Pack of Boxer, Product Code: 4A03222P2008SLC. Washing Instructions: Machine wash water temperature should not exceed 40 degrees. Sensitive Dry Cleaning Can Be Done. No bleach is used. Spread dry. It should be ironed at low temperature. It is not squeezed in the centrifugal machine.