1.Endoscopies-Shaft Cover(Endoscopies,Endoscopies,Disposable Sheat ) 2.Material: Silicone ( Screwed ) Endoscopies-Shaft Cover ( medical supplies, oral airway , Disposable Sheat )Material:Silicone ( Screwed )Size: 0° , 45° , 75° Disposable Endoscopies-Shaft Cover