Thereabouts little & big boys 7-pack briefs are super comfortable, thanks to the elastic waistband and OEKO-TEX® certified fabric, making them perfect to wear all day and all night.  # Pieces In Set: 7-Pack Features: Multi-Pack Fiber Content: 60% Cotton, 40% Polyester Fabric Description: Rib Care: Machine Wash, Tumble Dry Certifications And Listings: Oeko-Tex Standard 100 Country of Origin: Imported