... layers from mono-layer, double-layer to five-layer tube; shapes from round,oval to flat shape; diameters ... and shapes.D16mm and 19mm tubes are suitable for lip-gloss, lip essence, eye essence, cream,lotion, fluid candy, ... layers from mono-layer, double-layer to five-layer tube; shapes from round,oval to flat shape; diameters ... , personal bathe products and massage cream packaging. PE Tube Packaging