Explore Materials: single wall e flute

Natural brown kraft on both sides. Thin lightweight E-Flute is twice as thick as F-Flute and provides higher stiffness and crush resistance. Withstands 23lb pressure to the edges. (1/16"(1.5mm); 90 flutes/f)

White top, brown inside. Most common medium postal grade. Thin lightweight E-Flute, 125 means it has a thinner top paper and may show some flute relief. Compared to F-Flute, provides higher stiffness and crush resistance. Withstands 23lb pressure to the edges. (1/16"(1.5mm); 90 flutes/f).

The highest-quality white paper is printed and then laminated onto a corrugated board. Brown inside. Thin lightweight E-Flute, twice as thick as F-Flute, provides higher stiffness and crush resistance. Withstands 23lb pressure to the edges. (1/16"(1.5mm); 90 flutes/f)

The highest-quality white paper is printed and then laminated onto a corrugated board. White inside. Thin lightweight E-Flute, twice as thick as F-Flute, provides higher stiffness and crush resistance. Withstands 23lb pressure to the edges. (1/16"(1.5mm); 90 flutes/f)

Common/Medium Grade/Postal Grade. Outside: Kemi white top (brighter, smoother than the regular white top). Brown inside. Brown inside.Thin E-Flute, twice as thick as F-Flute, provides higher stiffness and crush resistance. Withstands 26lb pressure to the edges. (1/16"(1.5mm); 90 flutes/f)

The highest-quality white paper is printed and then laminated onto a corrugated board. Brown inside. Common/Medium Grade/Postal Grade. Thin E-Flute, twice as thick as F-Flute, provides higher stiffness and crush resistance. Withstands 26lb pressure to the edges. (1/16"(1.5mm); 90 flutes/f)

Outside: premium Kemi white, Inside: oyster white. Common/Medium Grade/Postal Grade.Thin lightweight E-Flute, twice as thick as F-Flute, provides higher stiffness and crush resistance. Withstands 26lb pressure to the edges. (1/16"(1.5mm); 90 flutes/f)

Cost-effective board, brown on both sides. Common/Medium Grade/Postal Grade. Thin lightweight E-Flute, twice as thick as F-Flute, provides higher stiffness and crush resistance. Withstands 29lb pressure to the edges. (1/16"(1.5mm); 90 flutes/f)

Premium Kemi white outside, white top inside, white flute. Common/Medium Grade/Postal Grade. Thin lightweight E-Flute, twice as thick as F-Flute, provides higher stiffness and crush resistance. Withstands 29lb pressure to the edges. (1/16"(1.5mm); 90 flutes/f)

The highest quality paper is printed and then laminated onto a backing board. Brown inside. Most common Medium Grade Postal Grade. Thin lightweight E-Flute, twice as thick as F-Flute, provides higher stiffness and crush resistance. Withstands 32lb pressure to the edges. (1/16"(1.5mm); 90 flutes/f)

Bright white top, brown inside. Most common medium postal grade. Thin lightweight E-Flute, twice as thick as F-Flute, provides higher stiffness and crush resistance. Withstands 32lb pressure to the edges. (1/16"(1.5mm); 90 flutes/f)

The highest quality paper is printed and then laminated onto a backing board. White inside. Most common medium postal grade. Thin lightweight E-Flute, twice as thick as F-Flute, provides higher stiffness and crush resistance. Withstands 32lb pressure to the edges. (1/16"(1.5mm); 90 flutes/f)

White top outside, white oyster inside. Most common medium postal grade. Thin lightweight E-Flute, twice as thick as F-Flute, provides higher stiffness and crush resistance. Withstands 32lb pressure to the edges. (1/16"(1.5mm); 90 flutes/f)

White oyster inside. Mottled top outside, similar to White Top, but the surface has a mottled appearance. Common medium postal grade. Thin lightweight E-Flute, twice as thick as F-Flute, provides higher stiffness and crush resistance. Withstands 32lb pressure to the edges.(1/16"(1.5mm); 90 flutes/f)

Brown inside and out.Most common medium postal grade. Thin lightweight E-Flute, twice as thick as F-Flute, provides higher stiffness and crush resistance. Withstands 32lb pressure to the edges. (1/16"(1.5mm); 90 flutes/f)

The highest quality paper is printed and then laminated onto a backing board. Brown inside. Medium to heavy postal grade. Great puncture resistance. Thin E-Flute provides higher stiffness and crush resistance. Withstands 40lb pressure to the edges. (1/16"(1.5mm); 90 flutes/f)

Mottled top, similar to White Top, but the surface has a mottled appearance. Brown inside. Great puncture resistance. Thin lightweight E-Flute, twice as thick as F-Flute, provides higher stiffness and crush resistance. Withstands 40lb pressure to the edges. (1/16"(1.5mm); 90 flutes/f)

Bright white top outside, brown inside. Great puncture resistance. Thin lightweight E-Flute, twice as thick as F-Flute, provides higher stiffness and crush resistance. Withstands 40lb pressure to the edges. (1/16"(1.5mm); 90 flutes/f)

White inside; premium stain-resistant Kemi white outside with luster satin finish. Great puncture resistance. Thin lightweight E-Flute, twice as thick as F-Flute, provides higher stiffness and crush resistance. Withstands 40lb pressure to the edges. (1/16"(1.5mm); 90 flutes/f)

Brown inside and out. Medium to heavy postal grade. Great puncture resistance. Thin lightweight E-Flute, twice as thick as F-Flute, provides higher stiffness and crush resistance. Withstands 40lb pressure to the edges. (1/16"(1.5mm); 90 flutes/f)