... and reliable forwarder to keep your bags delivered on Time. white box 4) Delicate design, fine craftsmanship, high quality, ... is acceptable and the price is affected by quantity directly. white box FInishing:glossy/matt lamination, oil varnishing, polishing,UV ... 230gsm - 550gsmblack card paper: 80gsm - 350gsm(core material)duplex grey board: 250gsm-1500gsmcorrugated paper: K, A, B, C; three-layer, ...