... demand 4. diameter as per your require Aluminum Tube,PBL Tube,aluminum plastic tube collapsible tubecorrosion-resistant,leakage-free, excellently airtight,safe ... products packaging. We can offer plastic tubes with: layers from mono-layer, double-layer to five-layer tube; shapes from round, oval ... transparent, white, to colored; closures in matte and gloss; caps in screw cap, screw-on flip top, snap-on ...