Materials
Eight materials.
Picked for what goes inside.
Every board and tube we quote, with the numbers that matter: thickness, strength, recycled content and carbon per box.
All materials
8 boards and tubes · updated monthly
Corrugated
E-flute kraft
Thin, stiff and cheap to ship. E-flute has about 90 small flutes per foot, so it prints crisply and folds into neat mailers that still survive a courier.
Thickness
1.5 mm
From
$0.58
CO₂e/box
0.14 kg
Corrugated
White E-flute
The same strength as kraft E-flute with a clay-coated white liner, so colours print true and photos look like photos.
Thickness
1.5 mm
From
$0.66
CO₂e/box
0.15 kg
Corrugated
B-flute
Twice as thick as E-flute, with bigger flutes that cushion knocks and carry weight. The default for shippers and anything glass.
Thickness
3 mm
From
$0.74
CO₂e/box
0.19 kg
Corrugated
BC double wall
A B-flute and a C-flute glued together. It's what wholesale cartons, pallet shippers and heavy subscription boxes are made from.
Thickness
6.5 mm
From
$1.12
CO₂e/box
0.31 kg
Corrugated
Recycled grey E-flute
Made entirely from post-consumer fibre, unbleached, with a flecked grey surface. The lowest-carbon board we quote.
Thickness
1.5 mm
From
$0.54
CO₂e/box
0.11 kg
Rigid
Rigid chipboard
Two-millimetre grey chipboard wrapped in printed paper. Lids lift off with that slow, satisfying slide.
Thickness
2 mm
From
$2.90
CO₂e/box
0.31 kg
Insert
Molded pulp insert
Recycled newsprint and cardboard, pulped and pressed into a mould shaped around your product. Replaces foam and plastic trays.
Thickness
1.5–3 mm
From
$0.38
CO₂e/box
0.06 kg
Tube
Paper tube
Paperboard wound into a tube, wrapped in a printed label, with paper or metal-rim caps. A shelf presence boxes can't match.
Thickness
2 mm wall
From
$1.64
CO₂e/box
0.17 kg
How to choose
Start with what goes inside.
The board follows.
Recyclable at the kerb, every board we sell
Lowest CO₂e per mailer, recycled grey E-flute
Converters audited for FSC chain of custody
Swatch kit
Touch all eight before you choose.
Every board and tube as a 10 cm swatch, printed with a colour bar and a foil strip. $12, shipped free, refunded on your first order.
Board questions