Two-piece innerwear set, comfortable to wear with 100% cotton and rayon blend. - Set includes: 2 pieces - Size: 160cm - Material: 100% cotton - Material: 65% rayon, 35% polyester Thank you for viewing. Boys' autumn/winter long-sleeved underwear, 4-piece set New, unused Two sets of 2 pieces each, for a total of 4 pieces. One set is 100% cotton. When shipping, I will take them out of the original bag and repackage them in another bag! (Due to thickness)