Toyobuy Baby Summer Cotton Hearts Korean Sun Bucket Hat Cap Multicolored 100% Cotton Drawstring closure Material: Cotton Size: Head Circumstance: 44cm(Suitable for 0-3 months Baby); Head Circumstance: 46cm(Suitable for 3-6 months Baby); Head Circumstance: 48cm(Suitable for 6-12 months Baby) Head Circumstance: 50cm(Suitable for 1-2 years old Baby); Head Circumstance: 52cm(Suitable for 2-4 years old Baby); Head Circumstance: 54cm(Suitable for 4-6 years old baby) Adjustable Removable Safety Chin Strap For Secure Fit Soft to touch and wear, super comfortable