"Snooze Cushion features:
Lush 40% thicker material
inbuilt valve to help prevent air loss.
Free bonus -Ãƒâ€š comes with a free sleeping mask.
Snooze Cushion inflation / deflation instructions:
The inflating mouthpiece has a special valve to prevent air loss. When inflating, open the mouthpiece by squeezing it with your teeth or fingers.
When deflating, squeeze the mouthpiece while flatteningÃƒâ€š the cushion."