1) Material: Cold-rolled steel 2) Thickness of the door leaf: 5cm/7cm/9cm 3) Door frame thickness: 1. 5mm; Door panel thickness: 0. 8mm 4) Frame outer sizes(Hx W): A) 2, 050x 960mm B) 2, 050x 860mm C) 1, 970x 960mm D) 1, 970x 860mm or customized 5) Infilling: Honeycomb material or polyurethane 6) Opening direction: Inward/ outward 7) Lock handle position: On left/ right 8) Sound proof 9) Environmental friendly 10) Accessories: Adjustable reinforced hinges, specialty multi-point lock, handles, peephole, hidden doorbell, rubber seal and magnetic seal, doorbell, installing bolts, stainless steal doorsill 11) Packing: plastic bag, Firm carton . Carton: 1pcs/Carton 12) Conveyance: 110pcs/20'ft, 250pcs/40HQ