Waterproof & Extremely Lightweight. Durable & Abrasion Resistant Oxford 70D RipStop with TPU Laminate Coating. Welded Seam Construction for Superb Strength & Impermeability Double Zip-Lock Seal with Additional Velcro Flap for a Completely Watertight Closure. Thin Profile Allows for Convenient Concealing Comfortable Cambrelle Mesh Rear Panel, Fully Adjustable Waist Strap For Superior Comfort on Men and Women of All Sizes Additional Features: Water Proof & Odour Proof Pouch Insert for Total Submersion Protection. New and Improved Extra Secure Waist Buckle Dimensions (Approx): Weight: 195 oz. Total Area: 12 X 6 in. Entire Pocket: 9 X 6 in. Pocket Below Velcro Line: 7 X 6 in. Insert Pouch: X in.