Quality Park Survivor Tyvek Self Seal Catalog Envelopes, 10" x 13", White, 100 Carton Pelican ): 20 Selling Quantity: 1 Gray Silver Black ): 20 Selling Quantity: 1 Selling Quantity (UOM): Carton Sheet Dimension: Other Sheet Quantity: 1500 to 4999 Sheets Per Ream or Pack: 2700 Total Number of Sheets: 2700 True Color: White Width in Inches: 8 Brand Name: 3M Color Family: Yellow Corded or Cordless: Cordless Ear Protection Type: Earplugs Noise Reduction Rating: 29 35 Series or Collection: E A R TaperFit True Color: Yellow ensuring items are secure to increase efficiency when sending out mass mailings The 14 pound Tyvek material stands up to rough handling and protects contents against punctures