Specifications include, but are not limited to: Cloth Face Masks 1-100 (blue w/COC logo) ; Cloth Face Masks 101-500(blue w/COC logo) ; Cloth Face Masks 501-1000 (blue w/COC logo) ; Cloth Face Masks 1001-2500(blue w/COC logo) ; Cloth Face Masks 2501-5000 (blue w/COC logo); Reusable washable cloth face masks must meet the following minimum specifications: 1. Must 100% cotton material. 2. Fit snugly but comfortably against the side of the face 3. Be secured with ties, ear loops, or wrap-around fabric 4. Include at least two layers of fabric. 5. Allow for breathing without restriction. 6. Able to be laundered and machine dried without damage or change to shape. 7. In addition to CDC requirements, service recommendations are Anti-Microbial Technology and Durable through a minimum of 75 home launderings