When the 3 locking leather straps are pulled tight against the padded eyes, mouth and ear areas you will feel presure of the soft leather around your head. With your senses leaving quickly you become very submissive to your master\'s demands and struggle to hear their every word. Comes in one size with laces for adjusting to fit. Features: Padded leather ear pockets Padded leather reinforcement for eyes and mouth 1.9 cm mouth hole Leather laced rear back for snug fit 3 extra leather locking straps Straps can be used with or without padlocks Measurements: Small/Medium: 50.8 cm- 66 cm in circumference and necks between 38.1 cm- 50.8 cm. Medium/Large: 55.9 cm- 71.1 cm in circumference and necks between 45.7 cm - 58.4 cm. How To Measure: To get the right fit in circumference, please measure around the head over the ears and under the nose.