... Structure--Three ply Long using period;good intension;anti-UV;anti-dripMade by PE and EVA resin with Function ... resistance,high strength performance,water proof,good tightness,anti-UV and anti-drip Process technology:Three ply blow molding. Applycation: ... resistance,high strength performance,water proof,good tightness,anti-UV and anti-drip Process technology:Three ply blow molding. Applycation: ...