Model Number: NCCB-0167 Brand Name: MEDELAST Key Specifications/Special Features: Medelast mouth to mouth breath mask has a square size, non-woven fabric membrane on centerMembrane resists water and saliva, but allow air ventilateCan be used on emergency artificial respiration and prevent infectious diseasePacking: zipper bag or peel off sterile packSize: 29.5x19.5cm