gray white extruded poly bubble mailer clothing packaging bag cross-border bubble bag envelope bag shockproof waterproof logistics packaging 灰白共挤膜气泡袋服装包装袋 跨境气泡袋信封袋防震防水物流包装

13*18 + 4cm gray and white coextruded film 15*18 + 4cm gray and white coextruded film 18*23 + 4cm gray and white coextruded film 20*25 + 4cm gray and white coextruded film 25*30 + 4cm gray and white coextruded film 29*36 + 4cm gray and white coextruded film 30*38 + 4cm gray and white coextruded film 35*45 + 4cm gray and white coextruded film 40*50 + 4cm gray and white coextruded film 16*16+4 gray and white coextruded film 23*28 + 4cm gray and white coextruded film 29*39 + 4cm gray and white coextruded film 29*45 + 4cm gray and white coextruded film 50*60 + 4cm gray and white coextruded film 40*45 + 4cm gray and white coextruded film 11*15+4 gray and white coextruded film

gray white coextruded film