GXXMEI 21PCS (7 Medium+7 Large+7 Small) C-Shape Teeth Whitening Cheek Retractor, Autoclavable Dental Mouth Opener, Disposable Dental Lip Cheek Retractor for Mouthguard Challenge Game

Package include: 30PCS dental cheek retractors with small, medium and large size, 7PCS for each size. Small is for teenagers, Medium is for most adults and Large is for few adults, fit for all your needs.

Material: dental transparent plastic.

Size: Small: 3.82*2.83*0.6inch ,Medium: 4.72*3.46*0.67inch , Large: 5.24*3.58*0.83inch.

Durable, Recyclable and flexible enough without being out of shape or breaking even after twisting bending, pulling and folding.

Easy to use and keep the mouth open and hands available for oral inspection and treatment.