100% Cotton Imported Pull On closure Hand Wash Only Very comfortable as it is made of very soft 100% natural cotton fabric with density 240g/cm Strips are white and light blue and they are weaved, not painted as sometimes Chinese guys made falsified t-shirts The colored strips are made of a thread of the appropriate color and the t-shirt has the same color inside, as the outside. This means that, serve last you a very long time without losing color