5-pack boys 100% cotton, colorful, fun printed boys briefsnStrong seams for added strength and durabilityn95% Cotton/5% Spandex. Designed in New York, USAnMachine wash cold with like colors. Only non-chlorine bleach when needed. Tumble dry low. Do not ironnTrimfit. Wear Tested® since 1921nTrimfit, Wear Tested since 1921 - By using a great quality cotton, these briefs will last wash after wash. The elastic is designed to keep them in place without bunching! The soft cotton will be the best part of getting dressed.