30 Pack Mouth Openers, Medical Grade Material, 100% BPA-Free, Transparent, C-Shape, Medium Size, Fit For Adults. Can be autoclaved up to 135 degree CelsiusEasy to use and keep the mouth open and hands available for oral inspection and treatment.It works great for home teeth care, teeth whitening salons, Dental Office, Examination of Oral, teeth, tongue, pharynx, Tonsil Stones and so on, doesn"t stretch lips and you will not feel uncomfortable.Durable, Recyclable and flexible enough without being out of shape or breaking even after twisting bending, pulling and folding.Lip Opener: Party Tools for Mouthguard Challenge Game, Speak Out Game, Watch Ya Mouth Game. 30 Pack, enough for a great family game. Help you save money.