These aren't quite as strong of plastic as the mouth openers that come with the game. Because of that it makes it a little easier to move your mouth while talking and the game play isn't quite as challenging.
These really came in handy. Although, they are a bit smaller than the set that come with the game Speak Out, because they were a little smaller the guest said they were more comfortable than the larger ones that come with the game!
I have gotten 2 of these for my game and absolutely love them. I do recommend you ensure you purchase the correct size for your playing companions. Also, some friends have complained of the guards being a little too stiff...possible have a material a little "softer" that still does the job. Otherwise, love the product to be able to play "Shut Your Mouth" and can't get better with the price.