A berry pack is damaged mechanically before it is damaged any other way. The fruit is soft, thin-skinned and easily bruised, and every bruise releases juice that marks the berries around it. That makes the pad's first job a cushioning one, and its second job the containment of whatever does escape. Capacity, which decides a meat pad, is the third question here. This guide sets out the damage mechanisms and gives a table for matching pad and pack to the fruit.
1. The damage is mechanical
- Compression at contact points. Berries touching each other and the pack wall bruise where they touch, and the bruise appears after the pack has been closed and moved.
- Vibration in transit. Movement over a distance abrades the skin and settles the fruit, so the pack arrives tighter than it was filled.
- One damaged berry spreads. Juice released from a single bruised fruit stains the berries it touches, so the visible failure is always larger than the physical one.
None of this is a moisture problem, which is why a pad chosen on absorbency alone does not address the main risk.
2. The pad works as a cushion first
- A compliant layer spreads the load. A pad under the fruit distributes the weight of the pack instead of concentrating it at the points where berries touch the base.
- Thickness has a limit. Too thin and it cushions nothing; too thick and it lifts the fruit, which then moves and abrades against its neighbours.
- Absorbency still matters — for the second-order problem. Once juice is loose, the pad limits how far the stain travels. That is containment, not cushioning, and it is a smaller job.
So the specification has two numbers that matter more than capacity: how firm the pad is, and how thick.
3. Choosing by fruit
| Fruit | Skin strength | Main damage mechanism | Pad direction | Pack layers |
|---|---|---|---|---|
| Blueberries | firm for a berry, but small and easily scarred | compression in bulk, plus stem scar damage | firm, moderate thickness, full base coverage | single layer in a rigid punnet |
| Strawberries | soft, with a large contact area against the base | direct bruising where the fruit meets the pack | softer and thicker, sized to the punnet base | single layer, or a moulded tray |
| Raspberries and cane fruit | very fragile; the fruit comes apart on contact | any compression at all | very light cushioning; sometimes no pad | single layer, minimal handling |
| Mixed berries | the softest fruit in the mix sets the requirement | compression, driven by the softest component | cushioning first, sized for the softest fruit | single layer, and keep the mix shallow |
Directions rather than figures, because punnet size, fill depth and transport distance all move the answer. Where the fruit side of the range is specified more broadly, fruit absorbent pad covers it, and the produce group as a whole is under produce absorbent pads. Strawberries have their own case because the fruit is large enough to bruise against the base directly: strawberry absorbent pads covers it.
4. Where berry pack specifications go wrong
- Choosing on absorbency. It is the wrong first question. A highly absorbent pad that offers no cushioning leaves the fruit exposed to the risk that actually damages it.
- Making the pad too thick. The fruit needs to sit still. A thick pad lets it move, and movement abrades.
- Using one specification across the range. Blueberries and raspberries are not interchangeable, and the softest fruit in a mixed pack sets the requirement for all of it.
- Ignoring the punnet. A rigid punnet with a well-fitting pad behaves differently from a soft one, and the pad cannot compensate for a base that flexes.
FAQ
Is absorbency the main point of a berry pad?
No. Cushioning comes first, because the damage is mechanical. Absorbency limits how far the juice from an already-damaged berry spreads.
Should the pad be thicker for softer fruit?
Thicker and softer, but only up to the point where the fruit starts to move. Beyond that, thickness makes the problem worse.
Why does one bruised berry ruin the pack?
Because the juice stains what it touches. Containing that juice is the pad's second job, and it is the reason a pad is used at all in a pack with little free liquid.
Do raspberries need a pad?
Sometimes not. Where the fruit is fragile enough that any compression damages it, a very light pad — or none, with the cushioning left to the punnet — can be the better answer.
Browse the range
Start from the blueberry absorbent pads range, or the wider fresh absorbent pads group. Send the fruit, the punnet and the transport distance, and a pad can be matched before samples are issued.