4-BY 3600 StowAway Rack System – Blue/Silver. The 4-BY 136400 Rack System includes four 3600 StowAway boxes and provides spacious bulk storage under the lid for larger item. A DuraView front cover holds everything in place.. Features: Includes 4 3600 Series StowAway Utility Boxes. Spacious Bulk Storage Under Lid. DuraView Front Door. Dimensions: 13.375 L x 10 W x 14 H.