1.65% Polyester, 35% Cotton 2.Elastic closure 3.Machine Wash 4.65% Polyester, 35% Cotton 5.With elastic in the back 6.One size fits most 7.Machine wash with like colors, tumble try low 8.Suitable for catering colleges, schools, restaurants, pubs, cafes, commercial, kitchens, hotels etc. Chef Hat Adult Adjustable Elastic Baker Kitchen Cooking Chef Cap