Note: Please allow 1-2cm error due to manual measurement. Thanks for your understanding. specification: _x000D_Item Type: Shampoo Hat_x000D_Diameter: Approx.17cm/6.6in_x000D_Optional Color: Pink, Yellow, Blue_x000D_Usage: Bathing, Shampooing, Shading, Haircut Features: 1Prevent water and shampoo from getting into your eyes when washing baby's hair. 2Non-toxic and tasteless and safer, can block direct sunlight when the baby is out. 3Prevent broken hair from entering the eyes when the baby has a haircut. 44 _x000D__x000D_levels adjustable design, suitable for different body circumference, fits to the head, comfortable to wear. 5Special ear protection design, more waterproof and baby crying no longer in the bath. PackageList: 1 x Shampoo Hat