Nanuk 320 Panel Kit Polycarbonate Small. Included in the aluminum panel kit is a contoured 1/8? thick aluminum panel with stainless steel mounting screws and an adhesive backed die-cut waterproofing gasket. The Lexan panel kit is contoured by a 3/16? thick polycarbonate panel with stainless steel mounting screws and an adhesive backed die-cut waterproofing gasket. Specifications for Nanuk 320 Panel Kit: Manufacturer: Nanuk Size: Small Country of Origin: Canada Package Contents: Nanuk 320 Panel Kit Nanuk 40-32006-K: 320 Panel Kit Polycarbonate Small