Heavy-duty No. 8 natural canvas.        
         
 
    
            
                    Bottom and 8 (23 mm) of lower sides are covered with moisture-resistant vinyl.        
         
 
    
            
                    Non-scratch studs on base protect against wear.        
         
 
    
            
                    Steel-frame mouth with hinge for rugged use.        
         
 
    
            
                    Harness-leather handles with two retaining straps and buckles.        
         
 
    
            
                    Retro-fit bags with shoulder strap kit (Cat. No. 512S). Kit includes leather strap with pad and snap hooks