Pack up shipments and items for storage in these 18 x 18 x 24-inch kraft shipping boxes. Stock your warehouse or office with these shipping boxes. The elongated design is ideal for mailing taller objects while the single-wall corrugated construction stands up to wear and tear. These 18 x 18 x 24-inch kraft shipping boxes arrive in a flat bundle of 20 for easy holding in your order-fulfillment or shipping department. • Shipping boxes help ensure items are protected during shipping. • Overall dimensions: 18 L x 18 W x 24 H. • 4.5 cu. ft. • Square shipping box. • Kraft. • 20 per bundle. • 32 ECT. • C: 39-43 flutes per foot. • Meets or exceeds SFI-01344 ASI Food Safety GMP standards. • This product is manufactured by a certified MBE (minority owned business). • Sold as 20 pieces/Bundle.