Baby Girls' Bucket Hat, Casual Sun Protection Wide Brim Fishman Cap with Chin Strap Size(cm)S Circumference: 46-50 Age: 6 Months-3 Years M Circumference: 52-54 Age: 3 Years-8 Years Size(inch)S Circumference: 18.1-19.6 Age: 6 Months-3 Years M Circumference: 20.4-21.2 Age: 3 Years-8 YearsFriendly Tips: 1.Please kindly allow 2-3% difference according to manual measurement.2.Please check the measurement chart carefully before you buy the item. (1inch=2.54cm) 3.Please note that slight color difference should be acceptable due to the light and screen.Thanks.Specification:Style: casual Material: nylon, polyester Pattern Type: solid, print Size: S, MPackage Content 1*hatPromise If the product has any quality problems,please feel free to contact us,we will help you solve the problem as quickly as possible.