A good vacuum sealer can keep food fresh up to five times longer than a standard freezer bag, and UK prices range from under £25 to over £270. The right choice depends on how often you seal, what you seal, and how much worktop space you can spare. This guide cuts through the specs to help you spend wisely.
What to look for
01Suction power and vacuum pressure (kPa)
Vacuum pressure is measured in kilopascals (kPa), and it tells you how much air the machine can pull from a bag before sealing. A higher number means a tighter, longer-lasting seal. Budget machines typically sit around 60–70 kPa, while mid-range models like the Mesliese reach 90 kPa and the YASHE hits 80 kPa with a 130W double pump. For everyday dry goods such as pasta, nuts, or coffee, 70 kPa is adequate. If you are sealing raw meat, fish, or marinated foods for the freezer, aim for 80 kPa or above. UK mains voltage is 240V, so wattage ratings here are directly comparable across brands. Higher wattage generally means faster cycle times, which matters if you are batch-cooking and sealing a dozen portions in one session.
02Dry and moist food modes
Most countertop sealers offer at least two modes: dry and moist. The dry mode uses a standard seal time suitable for solid foods. The moist mode extends the heat cycle slightly to cope with surface moisture on fish fillets, blanched vegetables, or marinated chicken, reducing the chance of a weak seal where liquid is present. The Mesliese 6-in-1 and the Bonsenkitchen both offer five or six modes including a pulse function, which lets you control suction manually. This is particularly useful for delicate items such as crisps, soft bread rolls, or biscuits that would be crushed by full suction. The FoodSaver FFS005X also includes a dedicated delicate food mode. If you plan to sous vide, check that the machine can seal wet bags reliably, as water in the channel is a common cause of failed seals.
03Built-in cutter and roll storage
Buying bag rolls rather than pre-cut bags is significantly cheaper per seal over time. A built-in cutter and roll storage compartment means you can cut bags to exactly the right length for an odd-shaped piece of cheese or a single chicken breast, rather than wasting a pre-cut bag. The Bonsenkitchen, YASHE, and ESoundvol all include a built-in cutter and roll storage. The FoodSaver FFS005X also integrates roll storage with a bag cutter. Standard roll widths are typically 15 cm, 20 cm, or 28 cm. The Anysea rolls, sold separately, cover all three widths in 300 cm lengths and are BPA-free with a heavy-duty embossed texture that helps the pump channel air out evenly. If your machine does not have a built-in cutter, you will need scissors and a ruler, which quickly becomes tedious.
04Countertop versus handheld design
Countertop sealers clamp bags flat and use a heating strip to create an airtight seal. They are bulkier but more powerful and better suited to regular use. A typical countertop model is around 35–40 cm long, so measure your worktop or cupboard before buying. UK kitchens often have 600 mm deep base units, and most countertop sealers will sit comfortably on the worktop or store upright in a cupboard. Handheld sealers such as the Giraffyco and Geliking are compact and rechargeable, making them ideal for smaller flats or for sealing zip-lock style reusable bags rather than heat-seal rolls. They cannot create a heat seal, so you are limited to compatible reusable bags. The Giraffyco set includes 30 reusable bags, which is good value at £32.99. Handheld models suit light users who want to keep snacks or leftovers fresh for a few days rather than months.
05Ongoing bag costs and compatibility
The machine price is only part of the story. Proprietary bags lock you into one brand and can cost considerably more per bag than generic embossed rolls. The FoodSaver ecosystem uses branded bags and canisters, which are widely available at UK supermarkets and on Amazon, but they carry a price premium. Generic embossed rolls such as the Anysea six-roll set at £11.87 are compatible with most clamp-style sealers and work out to a few pence per bag. Check that any third-party rolls are BPA-free and food-safe. If you live in a hard-water area, residue can build up on the sealing strip over time; wipe it with a damp cloth after each session to maintain a clean seal. Reusable bags for handheld sealers are typically washable, which reduces waste and long-term cost.
Our top picks
Best for most home cooks on a budgetBonsenkitchen Vacuum Sealer Machine
At £42.49, the Bonsenkitchen is currently at its 90-day low and offers five sealing modes, a built-in cutter, and roll storage in one compact unit. That combination is rare at this price. It handles both dry and moist foods, and the built-in cutter means you can use cheaper generic rolls rather than pre-cut bags.
Best for high-volume sealing and sous videMesliese 6in1 Vacuum Sealer
The Mesliese delivers 90 kPa of suction, the highest in this group, which makes it the strongest choice for sealing raw meat, fish, and wet marinades ahead of sous vide cooking. It includes six modes, two bag rolls, and five pre-cut bags in the box. At £84.93, it is sitting at its 90-day low, down from a high of £89.99.
Best handheld sealer for small kitchensGIRAFFYCO Compact Handheld Vacuum Sealer Set
The Giraffyco handheld set costs £32.99 and comes with 30 reusable bags, making it the most practical option if you lack worktop space or only need to keep snacks and leftovers fresh for a few days. It is rechargeable, so no need to position it near a plug socket. Note that it cannot create a heat seal on rolls, so you are committed to the reusable bag format.
Best value bag rolls to pair with any sealerAnysea Vacuum Sealer Rolls Vacuum Sealer
The Anysea six-roll set at £11.87 gives you 15 cm, 20 cm, and 28 cm widths in 300 cm lengths, all BPA-free with a heavy-duty embossed texture. That embossing is important: it creates the micro-channels that allow the pump to evacuate air evenly across the bag. At its 90-day low of £11.87, this is the most cost-effective way to keep running costs down on any clamp-style sealer, including the Bonsenkitchen and Mesliese picks above.
Best for a complete ecosystem with retailer supportFoodsaver Food Vacuum Sealer Machine with
The FoodSaver FFS005X at £273.73 is the premium option here, with integrated roll storage, a bag cutter, and a dedicated delicate food mode for items that would be crushed by full suction. FoodSaver bags and canisters are stocked by major UK retailers, so replacements are easy to source in person. The 90-day low of £65.00 suggests this model sees significant discounts, so it is worth adding to a wish list and waiting for a price drop before committing.
Frequently asked
How long does vacuum-sealed food last in the freezer?
Vacuum-sealed food stored in a freezer typically lasts two to three years for most meats and fish, compared to six to twelve months in a standard freezer bag. The exact duration depends on the food type, the quality of the seal, and your freezer temperature, which should be at or below minus 18°C for best results. Fatty fish such as salmon or mackerel have a shorter shelf life than lean meats like chicken breast, even when vacuum sealed, because fat oxidises over time.
Can I use any vacuum sealer bags with my machine?
Most clamp-style countertop sealers work with any embossed (textured) bag or roll, regardless of brand, as long as the width fits the sealing strip. Smooth bags do not work because the pump cannot channel air out through a flat surface. Proprietary systems such as FoodSaver canisters require a port attachment. Handheld sealers like the Giraffyco only work with their own zip-valve reusable bags. Always check the bag width against your machine's maximum sealing width before buying rolls in bulk.
Is vacuum sealing worth it if I live alone?
Yes, particularly for reducing food waste. You can portion a large pack of mince or chicken thighs from a supermarket, seal individual portions, and freeze them flat. This avoids defrosting more than you need and saves money over time. A handheld sealer such as the Giraffyco at £32.99 with 30 reusable bags is a low-commitment starting point. If you find yourself using it regularly, upgrading to a countertop model like the Bonsenkitchen at £42.49 is a straightforward next step.
What does the moist mode on a vacuum sealer do?
Moist mode extends the heat sealing time slightly to compensate for surface moisture on the bag. When you seal wet or marinated foods, a small amount of liquid can wick into the seal area and prevent a complete bond if the heat cycle is too short. Switching to moist mode gives the heating strip longer contact time, producing a stronger seal. It is worth using moist mode for fish fillets, blanched vegetables, and any food that has been in a marinade, even if it looks dry on the surface.
What kPa suction do I need for sous vide cooking?
For sous vide, aim for at least 80 kPa. Lower suction can leave residual air in the bag, which causes it to float in the water bath and results in uneven cooking. The Mesliese at 90 kPa and the YASHE at 80 kPa are both suitable. Ensure the machine also has a reliable moist mode, since sous vide bags often contain marinades or natural juices. Double-sealing the bag end, a feature on the YASHE with its double heat seal, adds extra insurance against leaks during long cooks.