From the Manufacturer:At T-Cottons all our fabrics are made of 100% pure cotton for natural, snugly softness and comfortable feel. Durable and easy to care for. T-Cottons brings you the very best quality at the very best price.Product Description:This Boys 4 pack crewneck tank tops from T-Cottons is the excellent and most perfect undershirt for everyday use featuring double-ply seams and trims for added strength and roomy cuts for a comfortable fit. Sizes/Colors: Available in sizes 2 to 14, in solid white fabric. Great Value: Each pack includeds 4 of this excellent quality undershirts. Care: Machine wash warm. Tumble dry low, Non-chlorine bleach.