The u.go Plein Air Wet Panel Carrier provides the ultimate durability and flexibility to transport multiple sized wet painting panels The exterior is made of a rugged, waterproof, and solvent resistant material to protect your wet painting panels from the elements while the interior is made of a rigid, yet lightweight, aluminum frame providing maximum wet panel protection Designed for travel: Easy to adjust shoulder strap, and lightweight design allows for comfortable transportation while on the go; Exterior Dimensions are 13”x2”x16.5” inches; Weighs 4.75 pounds Track System: Designed to hold six common panel sizes and includes two u.go 1” Panel Reducer Tracks to carry panels of different widths; Stores 4 standard thickness panels 0.20 or less, back to back in the 2 tack systems Common Panel Sizes: 12"x16" , 12"x12", 11"x14", 10"x12", 10"x10", 9"x12" 8"x10", 6"x12" The u.go Plein Air Wet Panel Carrier provides the ultimate durability and the flexibility to transport multiple sized wet painting panels. The exterior is made of rugged, waterproof, and solvent resistant material to protect panels from the elements. Inside, is a rigid, yet lightweight, aluminum frame providing maximum panel protection. Designed for travel, an easy-to-adjust shoulder strap allows for comfortable transportation while on the go. The medium size u.go Plein Air Wet Panel Carrier is designed to hold 8 different panel sizes, and can store 4 standard thickness panels (0.20 inches or less) when panels are placed back-to-back in the 2 track systems. Two 1-inch Panel Reducer Tracks are included. The u.go 1” Panel Reducer Tracks slide into the existing tracks to increase your range of panel sizes carried. Additional u.go Panel Reducer Tracks are available for customization. Item Specifications: Panel Height: Holds 16" or less Panel Width: Holds 10", 11", and 12" Common Sizes Held: 12"x16", 12"x12", 11"x14", 10"x12", 10"x10", 9"x12" 8"x10", 6"x12 Weight: 4.75 pounds