Double Glazing Unit: thickness:3mm(4mm,5mm,6mm,8mm,10mm,12mm ... )+3mm(4mm,5mm,6mm,8mm,10mm,12mm etc) Low-e with doule Glazing Unit:Max.Size: 2450mm*3150mmMin.Size: 300mm*300mm ... 10-15days;or depends on the qtyPaymentBy T/T;Western Union;Paypal;( 40% as deposit, 60% in full payment before shippment ...