Re Freez R Brix Cold Pack, 7.5 oz., 4.5" x 2", 48 Carton Safety # of Pads: 4 Acid Color:Modern Walnut # of Pads: 4 Acid Free: Non Acid Free Binding Position: Top Brand Name: TOPS Color Family: White Hole Punched: No Notepad Binding: Sewn Notepad Type: Writing Pad Number Sheets Per Pad: 40 Perforation: Perforated Rule Type: Specialty Selling Quantity (UOM): Pack Series or Collection: Docket Sheet Dimension: 8 Brand Name: Staples Color Family: White Envelope Closure: Self Seal Envelope Flap Style: Square Envelope Number: #9 Envelope Pack Size: 500 Per Pack Envelope Paper Finish: Wove Envelope Size: 3 7 8" x 8 7 8" Envelope Type: Double Window Envelope Window Location: Double Left Height in Inches: 3 5 Length in Inches: 4 Re Freez R Brix™ Cold Pack is a block of rigid foam refrigerant that is non toxic and sealed in a heavy plastic pouch Biodegradable Product: Non biodegradable Brand Name: Re Freez R Brix Height in Inches: 1