SKU: PD-3630-00 | UPC: 603912289299 | MPN: PD363000 (0)
Really works with out restricting access to the mouth! Breathing is no problem and it effectively keeps the mouth OPEN.
It was just what i was looking for. Had bought one before and had worn it out. so this one was great.
Fantastic quality and for a great price! Leather straps are durable and has lots of holes for size adjusting.