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Kitchen · Comparison

Kilner 0.35 Litre Breakfast Jar Set vs OXO Good Grips POP Container - Small Square Short 1L: Which Kitchen Storage Is Better?

By the Nest & Yard editorial teamUpdated 2026-08-115 min read

Our pick: the Kilner 0.35 Litre Breakfast Jar Set — the best Kitchen Storage we tested, from £9.00.

Looking for smart ways to keep your kitchen organised? We’ve pitted the Kilner 0.35 Litre Breakfast Jar Set against the OXO Good Grips POP Container – Small Square Short 1L to see which storage solution best suits your needs, with the Kilner offering a classic design at a lower price point while the OXO boasts the distinctive ‘POP!’ closure for easy portion control. Both are consistently highly-rated by Amazon customers, but let’s find out which one comes out on top in this head-to-head comparison.

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 Kilner 0.35 Litre Breakfast Jar SetOXO Good Grips POP Container - Small Square Short 1L
Price£9.00↓ Lowest price£12.00
Rating
Rated 4.7 out of 5 stars (5,867)
↑ Highest rated
Rated 4.7 out of 5 stars (3,241)
↑ Highest rated
MaterialGlassPlastic
BrandKilner
Price tierBudgetBudget
Capacity0.35L
ColourClear
Kilner 0.35 Litre Breakfast Jar Set
Editor's Choice

#1 Pick

Kilner 0.35 Litre Breakfast Jar Set
Rated 4.7 out of 5 stars (5,867)
  • Glass
  • 0.35L

£9.00

Pros

  • Perfect single-serve size for overnight oats and jam
  • Clip-top lid keeps contents airtight for portable breakfasts
  • Set of jars ideal for meal prepping the week ahead

Cons

  • Small 0.35L capacity limits use to individual portions
View on Amazon →
OXO Good Grips POP Container - Small Square Short 1L
Best Value

#2 Pick

OXO Good Grips POP Container - Small Square Short 1L
Rated 4.7 out of 5 stars (3,241)
  • Plastic
  • Clear

£12.00

Pros

  • Push-button airtight seal keeps dry goods fresher for longer
  • Stacks neatly with other POP containers to save cupboard space
  • Dishwasher-safe, BPA-free construction

Cons

  • Single container only, other sizes sold separately
View on Amazon →

FAQ

What's the difference in capacity between these two sets?

The Kilner jar set includes three 0.35L jars, ideal for storing jams and preserves, while the OXO POP container holds a generous 1 litre – perfect for larger quantities of honey or sauces.

Are both made from food-grade materials suitable for long-term storage?

Both sets utilise BPA-free plastic, ensuring they are safe for storing food and won't leach harmful chemicals. However, the Kilner jars have a glass lid designed to withstand high temperatures, while the OXO POP uses a durable polypropylene.

How much do these storage solutions typically cost?

You can usually find the Kilner 0.35L set for around £25 - £40 depending on retailer promotions, and the OXO POP container generally ranges from £18 - £28.

How easy are they to clean? Do they suit dishwasher use?

Both sets are designed for effortless cleaning; however, handwashing is recommended to preserve the clarity of the Kilner jars' glass. The OXO POP containers are generally dishwasher safe (top rack) but check manufacturer guidelines.

What kind of food are these best suited for storing?

The smaller Kilner jars excel at preserving homemade jams, jellies, and fruit preserves due to their airtight seal. The larger OXO container is better for storing liquids like honey, syrups or sauces.

Are there any specific seasonal considerations when using these containers?

During the winter months, consider storing items like Christmas pudding ingredients or homemade jams in these jars. In summer, they're fantastic for preserving fresh fruits and vegetables before they spoil.

How do these compare to traditional glass jars for kitchen storage?

While glass jars are a classic choice, the airtight POP containers offer superior protection against air exposure, which can degrade food quality over time. Kilner jars provide an excellent seal but require more careful cleaning.

Are there any safety regulations or certifications I should be aware of?

Both products comply with UK food contact material regulations and are BPA-free, meeting stringent safety standards for food storage. Always ensure the lids are properly secured to maintain airtightness.

What’s the advantage of the POP container's 'pop-up' lid mechanism?

The OXO POP container's pop-up lid provides a quick and secure seal, preventing spills when you scoop out ingredients – it’s particularly helpful for sticky substances like honey.

What should I do if something goes wrong with the product?

Please refer to Amazon UK’s standard returns policy for information on eligible returns and how to initiate a return. Manufacturer warranties, if applicable, are detailed within the product listing.

In depth

Choosing kitchen storage is deceptively complex. It’s not simply about finding something that *looks* nice on your countertop; it’s an exercise in assessing how efficiently a product will actually integrate into the realities of a UK home and, crucially, how well it addresses the specific needs of those who use it daily. Here at [Website Name], our approach to evaluating products like these breakfast jars and containers centres on several key areas. We begin with rigorously testing the practical functionality – how easy is it to fill, pour, clean, and stack? This involves repeated usage simulating typical kitchen routines: filling with cereals, sugar, nuts; observing the dispensing mechanism for clogs or uneven flow; and evaluating the container’s resilience against accidental knocks and spills (a frequent occurrence in busy kitchens). We then meticulously examine materials. Durability is paramount, especially considering the UK’s often damp climate which can accelerate plastic degradation if not properly constructed. BPA-free plastics are a non-negotiable for food storage, but we also scrutinise the quality of those plastics – thicker, more robust materials will naturally offer longer lifespan. Finally, and perhaps most importantly, we consider aesthetics; while functionality is king, a visually pleasing product will be far more likely to be used consistently and kept tidy.

For UK shoppers specifically, certain considerations elevate the importance of these choices beyond basic storage capabilities. The average UK home is smaller than many continental counterparts, meaning maximising space efficiently is frequently a key concern. Consequently, we prioritise containers with compact footprints and clever stacking solutions – something a tall, bulky jar simply won’t deliver. Furthermore, our climate presents unique challenges: humidity levels are consistently higher compared to drier regions, which can contribute to condensation within storage units, potentially affecting the quality of dry goods like cereals or nuts. Materials that resist moisture absorption are therefore highly desirable. Finally, food safety regulations in the UK – largely aligned with EU standards – dictate clear labelling requirements and restrictions on certain materials used for direct food contact, further influencing our selection criteria. We’ve factored these nuances into comparing the Kilner 0.35 Litre set and the OXO Good Grips POP Container; both brands are generally well-regarded, but their approaches to addressing these specific UK challenges differ subtly.

Price points in this category of kitchen storage typically fall into three distinct tiers. Budget options – often under £15 – usually consist of basic plastic containers with limited features, frequently lacking robust construction and reliant on lower-quality plastics. These are acceptable for short-term use or occasional storage, but their longevity is generally questionable. Mid-range products, priced between £20 and £40, represent a significant improvement in terms of material quality, design innovation (like the POP Container’s dispensing mechanism), and overall durability. They're suitable for everyday kitchen use and are likely to withstand regular handling and washing. Premium containers – exceeding £50 – often incorporate higher-end materials like borosilicate glass (offering superior clarity and resistance to staining) or exceptionally durable, food-grade plastics with enhanced UV protection. These tend to be investment pieces designed for long-term reliability and aesthetic appeal. The Kilner set, traditionally positioned at the higher end of this spectrum due to its heritage and glass construction, contrasts with the more aggressively priced OXO offering – a deliberate strategy reflecting differing product philosophies.

A common mistake UK consumers make when purchasing kitchen storage is prioritizing style over substance. Many shoppers are drawn to visually attractive designs, often overlooking fundamental considerations like material durability and ease of cleaning. This frequently leads to premature replacement of containers due to cracking, staining, or the accumulation of stubborn residue. Another prevalent error is failing to assess how a container will *actually* be used – buying a large jar for storing small quantities of sugar, or vice versa. Careful consideration of contents and frequency of use is vital in determining appropriate size and shape. Furthermore, inadequate cleaning practices can dramatically shorten the lifespan of many plastic containers; failing to regularly clean dispensing mechanisms, for example, quickly leads to blockages and reduced functionality. Finally, overbuying – purchasing significantly more storage than actually needed – is a frequent issue, leading to clutter and wasted space.

The Kilner 0.35 Litre set’s appeal lies largely in its established reputation and association with traditional British kitchenware. The iconic glass design lends itself well to a classic aesthetic, often favoured in older homes where period style is prevalent. However, the fragility of glass is a significant drawback compared to contemporary plastic options, particularly for busy households with children or pets. While durable glass can be produced, it’s inherently more susceptible to breakage than robust plastics. The POP Container, on the other hand, leverages innovative design – specifically its ‘POP’ mechanism – to provide controlled dispensing, preventing sugar from spilling and ensuring a consistent pour. This functionality is particularly attractive to those with limited mobility or dexterity, offering greater ease of use. However, the plastic construction, while durable, may not possess the same aesthetic appeal as the Kilner jar for some consumers.

Ultimately, deciding between these two options hinges on individual priorities. If you value heritage, a classic aesthetic, and are willing to exercise extra care to prevent breakage, the Kilner set represents a solid investment. Conversely, if practicality, controlled dispensing, and durability are paramount, alongside a more modern design sensibility, the OXO Good Grips POP Container offers a compelling alternative. Considering your typical kitchen setup – the size of your storage space, the frequency with which you use these containers, and your personal preferences regarding materials and aesthetics – will undoubtedly guide you towards the most suitable choice for your needs within the UK market.

The Nest & Yard editorial team

Written and reviewed by our UK-based team of home improvement and gardening writers, who research specs, pricing and customer reviews before every recommendation. Reviewed and updated on 2026-08-11.

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