SPECS: Dimensions: 12.5 in. L x 7 in. W x 20 in. H Empty weight: 3.9 lbs. Cargo capacity: 28 liters TECHNOLOGY: ThickSkina" shell is constructed using high-density nylon and thick TPU lamination HydroLoka" zipper offers an airtight closure and keeps water out U-Docka" ensures a secure seal Heavy-duty MetalLocka" hardware DryHaula" straps for comfortable carrying QuickGraba" lash points offer multiple carrying options FEATURES: 100% Waterproof backpack Submersible for maximum performance and use Puncture- and abrasion-resistant Interior sleeve keeps items organized Internal stowaway mesh pocket keeps valuables safe Removable chest strap and waist belt