Specifications:

-------------- The following is a single-sealed file box--------------

[Upgrade Thick] 50/25 × 15 × 5/Single Seal/Kraft Paper

[ticket recommend/upgrade thickening] 50/25 × 15 × 5/single seal/kraft paper

[ticket recommend/upgrade thickening] 100/25 × 15 × 5/single seal/cowhide

[ticket recommend/upgrade thickening] 200/25 × 15 × 5/single seal/kraft paper

50/25 × 14 × 5/single seal/kraft paper

[Upgrade Thickening] 100/25 × 14 × 5/Single Sealing/Kraft Paper

[Upgrade Thickening] 200/25 × 14 × 5/Single Sealing/Kraft Paper

50/27.5 × 15 × 5/single seal/kraft paper

[Upgrade Thickening] 100/27.5 × 15 × 5/Single Sealing/Kraft Paper

[Upgrade Thickening] 200/27.5 × 15 × 5/Single Sealing/Kraft Paper

-------------- The following is a double-sealed file box--------------

50/26.5 × 15 × 5/double seal/kraft paper

[Upgrade Thickening] 100/26.5 × 15 × 5/Double Sealing/Kraft Paper

[Upgrade Thickening] 200/26.5 × 15 × 5/Double Sealing/Kraft Paper