Flat Corrugated Boxes

Flat corrugated boxes are designed with low-profile depths to provide the perfect fit for slim or shallow products. Manufactured from durable ECT-32 kraft corrugated, these cartons help minimize excess space, reduce shipping costs, and protect your goods during transit.

Best for:
📚 Books, documents, artwork, mirrors, apparel
📏 Shallow or flat items that need snug, efficient packaging
🚛 Shipping with reduced dimensional weight charges

Sold flat in bundle quantities to maximize storage and shipping efficiency. A go-to solution for clean, professional presentation and protection.

20" x 10" x 4" Corrugated Boxes

As low as $28.91

BX32-XU4

Description

Quantity: 25/Bundle
Width: 10 Inches
Length: 20 Inches
Height: 4 Inches
Box Type: Flat Boxes
Weight (lbs): 14.98
Material: 32 ECT / 200# EQ
Color: Kraft
Product Properties: Industrial, Food, Retail, Kraft, Cardboard, Recyclable

Regular Price $28.91
Buy 3 - 4:$31.60/ea
Buy 5 - 9:$31.02/ea
Buy 10 - 24:$30.45/ea
Buy 25+:$28.91/ea

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20" x 12" x 4" Corrugated Boxes

As low as $36.89

BX32-XZ4

Description

Quantity: 25/Bundle
Width: 12 Inches
Length: 20 Inches
Height: 4 Inches
Box Type: Flat Boxes
Weight (lbs): 19.08
Material: 32 ECT / 200# EQ
Color: Kraft
Product Properties: Industrial, Food, Retail, Kraft, Cardboard, Recyclable

Regular Price $36.89
Buy 3 - 4:$40.48/ea
Buy 5 - 9:$39.74/ea
Buy 10 - 24:$39.01/ea
Buy 25+:$36.89/ea

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20" x 12" x 6" Corrugated Boxes

As low as $37.54

BX32-YA4

Description

Quantity: 25/Bundle
Width: 12 Inches
Length: 20 Inches
Height: 6 Inches
Box Type: Flat Boxes
Weight (lbs): 20.88
Material: 32 ECT / 200# EQ
Color: Kraft
Product Properties: Industrial, Food, Retail, Kraft, Cardboard, Recyclable

Regular Price $37.54
Buy 3 - 4:$43.47/ea
Buy 5 - 9:$42.89/ea
Buy 10 - 24:$38.88/ea
Buy 25+:$37.54/ea

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20" x 14" x 4" Corrugated Boxes

As low as $39.97

BX32-YH4

Description

Quantity: 25/Bundle
Width: 14 Inches
Length: 20 Inches
Height: 4 Inches
Box Type: Flat Boxes
Weight (lbs): 21.96
Material: 32 ECT / 200# EQ
Color: Kraft
Product Properties: Industrial, Food, Retail, Kraft, Cardboard, Recyclable

Regular Price $39.97
Buy 3 - 4:$46.10/ea
Buy 5 - 9:$45.48/ea
Buy 10 - 24:$40.77/ea
Buy 25+:$39.97/ea

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20" x 14" x 6" Corrugated Boxes

As low as $42.32

BX32-YI4

Description

Quantity: 25/Bundle
Width: 14 Inches
Length: 20 Inches
Height: 6 Inches
Box Type: Flat Boxes
Weight (lbs): 23.9
Material: 32 ECT / 200# EQ
Color: Kraft
Product Properties: Industrial, Food, Retail, Kraft, Cardboard, Recyclable

Regular Price $42.32
Buy 3 - 4:$49.01/ea
Buy 5 - 9:$48.35/ea
Buy 10 - 24:$42.92/ea
Buy 25+:$42.32/ea

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20" x 15" x 6" Corrugated Boxes

As low as $50.42

BX32-YQ4

Description

Quantity: 25/Bundle
Width: 15 Inches
Length: 20 Inches
Height: 6 Inches
Box Type: Flat Boxes
Weight (lbs): 27.4
Material: 32 ECT / 200# EQ
Color: Kraft
Product Properties: Industrial, Food, Retail, Kraft, Cardboard, Recyclable

Regular Price $50.42
Buy 3 - 4:$58.34/ea
Buy 5 - 9:$57.56/ea
Buy 10 - 24:$51.13/ea
Buy 25+:$50.42/ea

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20" x 16" x 4" Corrugated Boxes

As low as $53.17

BX32-YV4

Description

Quantity: 25/Bundle
Width: 16 Inches
Length: 20 Inches
Height: 4 Inches
Box Type: Flat Boxes
Weight (lbs): 26.55
Material: 32 ECT / 200# EQ
Color: Kraft
Product Properties: Industrial, Food, Retail, Kraft, Cardboard, Recyclable

Regular Price $53.17
Buy 3 - 4:$62.75/ea
Buy 5 - 9:$59.84/ea
Buy 10 - 24:$56.29/ea
Buy 25+:$53.17/ea

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20" x 16" x 6" Corrugated Boxes

As low as $51.13

BX32-YW4

Description

Quantity: 25/Bundle
Width: 16 Inches
Length: 20 Inches
Height: 6 Inches
Box Type: Flat Boxes
Weight (lbs): 30.3
Material: 32 ECT / 200# EQ
Color: Kraft
Product Properties: Industrial, Food, Retail, Kraft, Cardboard, Recyclable

Regular Price $51.13
Buy 3 - 4:$59.22/ea
Buy 5 - 9:$58.42/ea
Buy 10 - 24:$51.85/ea
Buy 25+:$51.13/ea

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20" x 18" x 6" Corrugated Boxes

As low as $58.04

BX32-ZG4

Description

Quantity: 25/Bundle
Width: 18 Inches
Length: 20 Inches
Height: 6 Inches
Box Type: Flat Boxes
Weight (lbs): 31.25
Material: 32 ECT / 200# EQ
Color: Kraft
Product Properties: Industrial, Food, Retail, Kraft, Cardboard, Recyclable

Regular Price $58.04
Buy 3 - 4:$66.31/ea
Buy 5 - 9:$64.49/ea
Buy 10 - 24:$61.31/ea
Buy 25+:$58.04/ea

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20" x 20" x 4" Corrugated Boxes

As low as $24.06

BX32-ZO4

Description

Quantity: 10/Bundle
Width: 20 Inches
Length: 20 Inches
Height: 4 Inches
Box Type: Flat Boxes
Weight (lbs): 13.44
Material: 32 ECT / 200# EQ
Color: Kraft
Product Properties: Industrial, Food, Retail, Kraft, Cardboard, Recyclable

Regular Price $24.06
Buy 3 - 4:$27.86/ea
Buy 5 - 9:$27.49/ea
Buy 10 - 24:$27.11/ea
Buy 25+:$24.06/ea

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SKU	Name	Length	Width	Height	Box Type	Material	Color	Quantity	Price
BX32-XU4	20" x 10" x 4" Corrugated Boxes	20 Inches	10 Inches	4 Inches	Flat Boxes	32 ECT / 200# EQ	Kraft	25/Bundle	As low as $28.91
Width: 10 Inches Length: 20 Inches Height: 4 Inches Quantity: 25/Bundle Material: 32 ECT / 200# EQ Box Type: Flat Boxes Weight: 14.98 Color: Kraft Product Properties: Industrial, Food, Retail, Kraft, Cardboard, Recyclable View Item Regular Price $32.17 Buy 1 - 2:$32.17/ea Buy 3 - 4:$31.60/ea Buy 5 - 9:$31.02/ea Buy 10 - 24:$30.45/ea Buy 25+:$28.91/ea Product added to cart successfully! REQUEST FREE SAMPLE
BX32-XZ4	20" x 12" x 4" Corrugated Boxes	20 Inches	12 Inches	4 Inches	Flat Boxes	32 ECT / 200# EQ	Kraft	25/Bundle	As low as $36.89
Width: 12 Inches Length: 20 Inches Height: 4 Inches Quantity: 25/Bundle Material: 32 ECT / 200# EQ Box Type: Flat Boxes Weight: 19.08 Color: Kraft Product Properties: Industrial, Food, Retail, Kraft, Cardboard, Recyclable View Item Regular Price $41.21 Buy 1 - 2:$41.21/ea Buy 3 - 4:$40.48/ea Buy 5 - 9:$39.74/ea Buy 10 - 24:$39.01/ea Buy 25+:$36.89/ea Product added to cart successfully! REQUEST FREE SAMPLE
BX32-YA4	20" x 12" x 6" Corrugated Boxes	20 Inches	12 Inches	6 Inches	Flat Boxes	32 ECT / 200# EQ	Kraft	25/Bundle	As low as $37.54
Width: 12 Inches Length: 20 Inches Height: 6 Inches Quantity: 25/Bundle Material: 32 ECT / 200# EQ Box Type: Flat Boxes Weight: 20.88 Color: Kraft Product Properties: Industrial, Food, Retail, Kraft, Cardboard, Recyclable View Item Regular Price $44.06 Buy 1 - 2:$44.06/ea Buy 3 - 4:$43.47/ea Buy 5 - 9:$42.89/ea Buy 10 - 24:$38.88/ea Buy 25+:$37.54/ea Product added to cart successfully! REQUEST FREE SAMPLE
BX32-YH4	20" x 14" x 4" Corrugated Boxes	20 Inches	14 Inches	4 Inches	Flat Boxes	32 ECT / 200# EQ	Kraft	25/Bundle	As low as $39.97
Width: 14 Inches Length: 20 Inches Height: 4 Inches Quantity: 25/Bundle Material: 32 ECT / 200# EQ Box Type: Flat Boxes Weight: 21.96 Color: Kraft Product Properties: Industrial, Food, Retail, Kraft, Cardboard, Recyclable View Item Regular Price $46.72 Buy 1 - 2:$46.72/ea Buy 3 - 4:$46.10/ea Buy 5 - 9:$45.48/ea Buy 10 - 24:$40.77/ea Buy 25+:$39.97/ea Product added to cart successfully! REQUEST FREE SAMPLE
BX32-YI4	20" x 14" x 6" Corrugated Boxes	20 Inches	14 Inches	6 Inches	Flat Boxes	32 ECT / 200# EQ	Kraft	25/Bundle	As low as $42.32
Width: 14 Inches Length: 20 Inches Height: 6 Inches Quantity: 25/Bundle Material: 32 ECT / 200# EQ Box Type: Flat Boxes Weight: 23.9 Color: Kraft Product Properties: Industrial, Food, Retail, Kraft, Cardboard, Recyclable View Item Regular Price $49.67 Buy 1 - 2:$49.67/ea Buy 3 - 4:$49.01/ea Buy 5 - 9:$48.35/ea Buy 10 - 24:$42.92/ea Buy 25+:$42.32/ea Product added to cart successfully! REQUEST FREE SAMPLE
BX32-YQ4	20" x 15" x 6" Corrugated Boxes	20 Inches	15 Inches	6 Inches	Flat Boxes	32 ECT / 200# EQ	Kraft	25/Bundle	As low as $50.42
Width: 15 Inches Length: 20 Inches Height: 6 Inches Quantity: 25/Bundle Material: 32 ECT / 200# EQ Box Type: Flat Boxes Weight: 27.4 Color: Kraft Product Properties: Industrial, Food, Retail, Kraft, Cardboard, Recyclable View Item Regular Price $59.13 Buy 1 - 2:$59.13/ea Buy 3 - 4:$58.34/ea Buy 5 - 9:$57.56/ea Buy 10 - 24:$51.13/ea Buy 25+:$50.42/ea Product added to cart successfully! REQUEST FREE SAMPLE
BX32-YV4	20" x 16" x 4" Corrugated Boxes	20 Inches	16 Inches	4 Inches	Flat Boxes	32 ECT / 200# EQ	Kraft	25/Bundle	As low as $53.17
Width: 16 Inches Length: 20 Inches Height: 4 Inches Quantity: 25/Bundle Material: 32 ECT / 200# EQ Box Type: Flat Boxes Weight: 26.55 Color: Kraft Product Properties: Industrial, Food, Retail, Kraft, Cardboard, Recyclable View Item Regular Price $65.66 Buy 1 - 2:$65.66/ea Buy 3 - 4:$62.75/ea Buy 5 - 9:$59.84/ea Buy 10 - 24:$56.29/ea Buy 25+:$53.17/ea Product added to cart successfully! REQUEST FREE SAMPLE
BX32-YW4	20" x 16" x 6" Corrugated Boxes	20 Inches	16 Inches	6 Inches	Flat Boxes	32 ECT / 200# EQ	Kraft	25/Bundle	As low as $51.13
Width: 16 Inches Length: 20 Inches Height: 6 Inches Quantity: 25/Bundle Material: 32 ECT / 200# EQ Box Type: Flat Boxes Weight: 30.3 Color: Kraft Product Properties: Industrial, Food, Retail, Kraft, Cardboard, Recyclable View Item Regular Price $60.02 Buy 1 - 2:$60.02/ea Buy 3 - 4:$59.22/ea Buy 5 - 9:$58.42/ea Buy 10 - 24:$51.85/ea Buy 25+:$51.13/ea Product added to cart successfully! REQUEST FREE SAMPLE
BX32-ZG4	20" x 18" x 6" Corrugated Boxes	20 Inches	18 Inches	6 Inches	Flat Boxes	32 ECT / 200# EQ	Kraft	25/Bundle	As low as $58.04
Width: 18 Inches Length: 20 Inches Height: 6 Inches Quantity: 25/Bundle Material: 32 ECT / 200# EQ Box Type: Flat Boxes Weight: 31.25 Color: Kraft Product Properties: Industrial, Food, Retail, Kraft, Cardboard, Recyclable View Item Regular Price $68.13 Buy 1 - 2:$68.13/ea Buy 3 - 4:$66.31/ea Buy 5 - 9:$64.49/ea Buy 10 - 24:$61.31/ea Buy 25+:$58.04/ea Product added to cart successfully! REQUEST FREE SAMPLE
BX32-ZO4	20" x 20" x 4" Corrugated Boxes	20 Inches	20 Inches	4 Inches	Flat Boxes	32 ECT / 200# EQ	Kraft	10/Bundle	As low as $24.06
Width: 20 Inches Length: 20 Inches Height: 4 Inches Quantity: 10/Bundle Material: 32 ECT / 200# EQ Box Type: Flat Boxes Weight: 13.44 Color: Kraft Product Properties: Industrial, Food, Retail, Kraft, Cardboard, Recyclable View Item Regular Price $28.24 Buy 1 - 2:$28.24/ea Buy 3 - 4:$27.86/ea Buy 5 - 9:$27.49/ea Buy 10 - 24:$27.11/ea Buy 25+:$24.06/ea Product added to cart successfully! REQUEST FREE SAMPLE