2QIMU Men's 3-Pack Ice Silk Trunks 95%Viscose Rayon and 5%Spandex The fabric is Ice Silk.This fabric feels smooth and soft on the hand,wear on the body feels cool and comfortable,very suitable for summer. This fabric added extra mesh design,which made the ice silk underwear became breathable underwear,changed the shortcomings of the origin ice silk.Look through the picture carefully you will find a lot of small holes,ventilation holes to help keep you cool for ultimate comfort. Machine Wash.Unfortunately,because of the ventilation holes, sharp objects can easily make the cloth snagging.So please avoid sharp objects,for example,nails. Imported products,has high cost performance ratio compate with the same qulity products. 3PCS/Box, attractive packaging, make it looks more perfect.