100% 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: Additional Water Proof & Odour Proof Pouch Insert for Total Submersion Protection of Critical Items Dimensions (Approx): Weight: 95 g. / 3.3 oz. Total Area: 12 X 6 in. / 30 X 14 cm. Entire Pocket: 9 X 6 in. / 24 X 14cm. Pocket Below Velcro Line: 7 X 6 in. / 18 X 14 cm