Material: polyester

XS: mouth length3cm, mouth circumference8-12cm, head circumference25-30cm

S: mouth length3.5-4cm, mouth circumference15-18cm, head circumference32-40cm

M: mouth length4-4.5cm, mouth circumference18-22cm, head circumference36-48cm

L: mouth length5-5.5cm, mouth circumference22-28cm, head circumference44-56cm

XL: mouth length6-7cm, mouth circumference24-32cm, head circumference48-64cm

2XL: mouth length7-8cm, mouth circumference28-40cm, head circumference52-70cm