15 Pack Dental Cheek Retractors for Games- Small / Medium for Both Adults and Kids Go to amazon.com Related posts Thing need consider when find dentist mouth opener? Feature15 C-Shape retractors (7 Medium Size for Adults and 8 Small Size for Kids)Ideal for extended useDesigned from durable material DescriptionPerfect for games. Features a sturdy, top-grade material that is recyclable, and that doesnt react to sterilization or cleaning.