Have a look at www.gehroTex.de!

Latex mask with fixed straps in the mouth and eye area.
Gad (inflatable) and eyeflaps are fixed therefor at the right place.
Another fixed strap runs from the chin to the back of the head.
The zipper has a hair protection and can be locked (optional), lacings are also possible.
You can order also an attached (lockable) collar (optional)
strength of latex: 1 - 3 mm
available in diffenrent sizes and colours

Details for the mask size:
size 34 = neck size 34 cm/forehead 52 cm
size 36 = neck size 36 cm/forehead 53 cm
size 38 = neck size 38 cm/forehead 57 cm
size 40 = neck size 40 cm/forehead 58 cm
size 42 = neck size 42 cm/forehead 59 cm
size 44 = neck size 44 cm/forehead 60 cm