60% Cotton, 40% Polyester Hook and Loop closure Hand Wash Only Size: 23"-24" Head Circumference, 2.11" Length of Brim, Criss-Cross(US Patent) Ponytail slot / Adjustable Velcro Closure Hook and Loop closure Our ponytail cap is made of lightweight, breathable 100% cotton or 70% cotton/33% polyester and provides you excellent sun protection. This cap can be worn with a messy bun, ponytail, or as a normal hat with the hair down. It is perfect for beach, pool, park, camping, hiking or any outdoor sports and activities.