1.Shampoo cap has flexible design with 4 adjustable fasteners on the cap,fit head Circumference:34-54cm (adjustable)
2 Shampoo hat is made of premium quality EVA foam material that is soft and lightweight but balanced with great sturdiness and durability.
3.3D molding,fit head shape,comfortable to wear
4.It has incredible grip with its anti-slip property, crack resistant, waterproof, and can be cleaned easily