√ Sizes: Head Circumference*Diameter：L--40*13.5cm/15.7*5.3' √ Materials: Polyester or Canvas; Hats Fit Over Ears and Wrap Around Forehead. √ Our baseball cap for small and medium dog for sun protection in hot summer. Shade your dog's eyes and make them look cool. √ Safety plastic buckle keeps hat on and allows for adjustability. √ Original and comfortable cute fashion hat for your pet with breathable ear holes.