THIS MODEL DOESN'T HAVE SLIT: PLEASE DON'T SELECT "FILTER FOR FACE MASK" AS ACCESORIES. This Standard Face Mask, a 3-Layer customized piece full color printed, is a cost-effective solution with black that will help you to prevent virus contagious and transmission. It's machine washable and quick drying. You can personalize it with your company or business' logo for promotional purposes or any other design just for fun. - Dimensions: 7.3'' x 4.5'' - Material: Polyester & Cotton. - Gender: Neutral.