Usstore 10pcs C-Shape Blue Teeth Whitening Intraoral Cheek Lip Retractor Mouth Opener S M L (S) Size: S, Model: SFDSF, Outdoor/Garden Store, Repair & Hardware Quantity: 10 pieces Size:S: 97*70*15mm,M:118*85*17mm, L :135x150x25mm Production Name: Cheek Retractor/mouth opener/ Lip Retractors/ Cheek Expanders Function: Plastic retractor that helps give you an unobstructed view of the oral cavit Package Content:10 pc Mouth Opener(without retail package)