Flat Pouches & Biltong Packaging

Biltong is a difficult product to pack well. It carries residual moisture and a variable fat content, and unlike a dry snack it keeps changing after it leaves the factory. The job of the pack is to get it to the shelf, and through the shelf life the retailer expects, without it sweating or turning.

The 3-side-seal flat pouch is the standard format for it because of seal integrity. Three sides are sealed under factory conditions and only the fourth is sealed on your line, and the flat, uninterrupted seal area takes a vacuum or a gas flush cleanly — there is no gusset fold to trap product in the seal or to leak through later.

Vacuum pulls the air out from around the product, which slows oxidation and the rancidity that comes with fat content, and it compacts the pack so it ships densely. Gas flush does the opposite thing visually: it keeps the pack looking full and rounded on shelf, and it protects product that a vacuum would crush. Sliced biltong, crumb-prone product and droëwors usually present better gas flushed than vacuum packed. Which route you take is a line and presentation decision, and the same pouch handles both.

The film matters as much as the format. Higher-barrier structures slow oxygen transmission and buy shelf life on fattier cuts, and a metallised or solid backing keeps light off the product while still leaving a clear front panel so the customer can see the cut and the colour — which is what they actually buy on.

Away from biltong, the flat pouch is the natural format wherever the pack is small, flat or single-serve. There is no gusset to open out, so it lies flat, stacks neatly in a display box or a shipper, and costs less material than a standing pouch holding the same weight.

That makes it the usual choice for sachets and single-serve portions, coffee sample and roast-to-order packs, supplement and powder servings, spice packs, and party or share packs where a run of identical small units goes into an outer. It is also the most economical way to put a properly printed pack into a customer's hand for a promotion, a launch or a trade show.

A tear notch lets the customer open the pack by hand at a controlled point instead of tearing across the face of the artwork. Where the product is eaten over more than one sitting, a resealable zipper can be added and the pouch still seals cleanly on the line.

For hook merchandising, a Euroslot header hangs the pack. On the material side the backing panel is a straightforward brand decision: clear where the product should be fully visible, frosted for a softer premium look, and silver, gold or black where you want a solid metallic or matte block behind the artwork and no view of the product at all.