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Hi there, I'm Jarvis! I see you're looking at the Clip Top Square Jar | Glass Storage Jar | 500ml Capacity | Kilner CZ891. How can I help you with the technical specs or suitability for your business today?

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Kilner Out of Stock

Clip Top Square Jar | Glass Storage Jar | 500ml Capacity | Kilner CZ891

SKU: CZ891
£4.93 / exc vat
£5.92/ inc vat

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  • Iconic Kilner Clip-Top System
  • High-Grade Sodalime Glass
  • Robust and  Durable Build
  • 500ml Square Design
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Product Overview

Introducing a true kitchen classic, reimagined for the modern professional. The 500ml Kilner glass storage jar isn't just a container; it's a promise of freshness, quality, and  organisation. With its iconic design and  robust build, this jar is the perfect workhorse for any bustling commercial environment, from trendy city cafés to rustic farm shops. It’s built to keep your ingredients in peak condition, day in, day out.

Crafted for chefs, baristas, and  producers who refuse to compromise on quality, this jar combines timeless style with practical, modern features. The high-grade sodalime glass offers pristine clarity, letting you see contents at a glance, while the airtight stainless steel clip-top system locks in freshness and  flavour. Whether you're storing dried herbs, preserving homemade chutneys, or displaying colourful sweets, this jar does it with reliability and  a touch of class.

Forget flimsy plastics and  unreliable lids. The Kilner CZ891 jar is an investment in efficiency and  presentation. Its durable, dishwasher-safe design means less hassle and  more time focusing on what you do best. Elevate your storage game and  give your ingredients the quality home they deserve.

Key Features and  Benefits

  • Iconic Kilner Clip-Top System: Guarantees a perfectly airtight seal to keep contents fresher longer.
  • High-Grade Sodalime Glass: Offers crystal-clear visibility and  won't stain or retain odours.
  • Robust and  Durable Build: Made to withstand the daily knocks of a busy kitchen.
  • 500ml Square Design: Provides a space-efficient shape, making shelf organisation much neater.
  • Dishwasher Safe: Allows for quick, easy, and  hygienic cleaning between uses.
  • High-Tension Steel Clip: Engineered for a secure closure you can trust every single time.
  • Replaceable Rubber Seal: Extends the jar's lifespan for years of reliable service.
  • Timeless British Design: Adds a touch of authentic, professional style to your display.

Technical Specifications

  • Brand: Kilner
  • SKU: CZ891
  • Capacity: 500ml
  • Dimensions: 125(H) x 115(W) x 115(D) mm
  • Material: Sodalime Glass, Stainless Steel Clip, Rubber Seal
  • Weight: 0.57kg
  • Colour: Clear
  • Dishwasher Safe: Yes

Expert Review and  Insights

The Kilner jar is a staple for a reason. In a professional setting, you need gear that's utterly dependable, and  this is it. The seal is top-notch, far superior to screw-tops for preserving delicate spices or coffee beans. It feels substantial in your hand – this isn't just storage, it's a proper piece of kitchen kit that’s built to last.

Sophie Brooks – Chef Tools Expert View Profile →

  • Seal of Approval: The airtight clip-top is fantastic for moisture-sensitive ingredients like herbs.
  • Initial Stiffness: The clip can be quite stiff when new, requiring some breaking in.

Case Study: Real Business, Real Results

The Harbour View Bistro in Whitby was looking to upgrade its dry-store organisation. They wanted to move away from mixed plastic containers to create a more uniform, professional, and  hygienic pantry that also protected their premium ingredients from the coastal air.

"We switched our entire dry store over to Kilner jars. The difference is night and  day. Everything is neat, sealed, and  our spices have never been more potent. The airtight clip top jar is perfect for keeping the moisture out, which is a constant battle here by the sea."

Robert Davies – Head Chef

By standardising with the Kilner jars, the bistro reduced ingredient spoilage by over 20% and  significantly sped up prep time as chefs could identify contents instantly.

Installation and  Maintenance Guide

Setting It Up

  • Always wash the jar, lid, and  seal thoroughly in hot, soapy water before the first use.
  • Dry completely before filling to prevent any moisture from being trapped inside.
  • When closing, ensure the rubber seal is seated correctly on the lid for an effective seal.
  • The clip mechanism will feel firm – this is by design to create strong tension.

Keeping It Going

  • The glass jar is dishwasher safe, but we recommend hand-washing the rubber seal to prolong its life.
  • Regularly check the rubber seal for any signs of cracking or perishing and  replace if necessary.
  • Avoid using abrasive sponges or harsh chemicals on the glass to maintain its pristine clarity.
  • Do not pour boiling water directly into the jar as this can cause thermal shock and  lead to cracking.

Buying Guide: Choosing the Right Storage Jars

Not sure what to look for? Here are a few tips to help you choose the best storage for your business needs.

Assess Your Capacity Needs

Consider what you'll be storing. A 500ml Kilner glass storage jar is great for spices and  teas, but you might need larger sizes for flour or pasta. Measure your shelf space first!

Think About Shape

Square jars are brilliant space-savers. They sit flush against each other, eliminating wasted space on shelves compared to round jars. Ideal for maximising pantry storage.

The Importance of the Seal

For perishable or moisture-sensitive items, an airtight clip-top is non-negotiable. It provides a far more secure and  long-lasting seal than a standard screw-top lid.

Glass vs. Plastic

Glass is non-porous, meaning it won't absorb odours or stains. It’s also endlessly recyclable and  provides a premium look for customer-facing displays.

Brand & Build Quality

A trusted brand like Kilner means you're investing in quality materials and  a design that's been perfected over decades. It's a sign of durability and  reliability.

Frequently Asked Questions

Q: Is this jar suitable for preserving and  canning?

A: Yes, the Kilner clip-top system is specifically designed to create an airtight seal, making it perfect for preserving jams, chutneys, and  pickled vegetables.

Q: Are the jars stackable?

A: While they don't have interlocking bases, the square, flat-topped design means they can be stacked carefully, though we recommend no more than two high for stability.

Q: Can I put the jar in the freezer?

A: We don't recommend it. Glass can crack with extreme temperature changes, and  liquids expand when frozen, which could break the jar.

Q: Can I pour hot liquids directly into the jar?

A: No, avoid pouring boiling liquids directly into the jar to prevent thermal shock, which can cause the glass to crack. Let liquids cool slightly first.

Q: How do I clean the rubber seal?

A: It's best to remove the seal and  wash it by hand in warm, soapy water. Avoid the dishwasher as high heat can degrade the rubber over time.

Q: Are replacement rubber seals available?

A: Yes, replacement seals for Kilner jars are widely available, allowing you to maintain a perfect airtight seal for many years.

Q: Is the glass BPA-free?

A: Yes, glass is naturally free from BPA and  other chemicals often found in plastics, making it a safe choice for food storage.

Q: How do I open the jar if the seal is very tight?

A: Gently pull the small tab on the rubber seal. This will break the vacuum and  make it much easier to unclip and  open the lid.

What Customers Are Saying

"Brilliant bit of kit. We use these for all our loose-leaf teas. They look fantastic on the shelf and  the seal is rock solid. Customers often comment on how nice they look!"

Clara – The Tea Leaf Café, York

"A proper, heavy-duty jar that feels like it will last a lifetime. We bought a dozen for our pantry and  it's made organisation so much easier. The square shape is a real space-saver."

Ben – The Corner Deli, Bristol

"The best commercial glass storage jar we've found. Easy to clean, perfectly airtight, and  they just feel professional. We use them for everything from flour to preserved lemons."

Maria – The Olive Branch Bistro, Manchester

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The Kilner Heritage: More Than Just a Jar

When you choose a Kilner jar, you're not just buying a container; you're investing in over 180 years of British innovation and  trust. The iconic design is recognised in kitchens worldwide as a symbol of quality and  reliability. For a business, this translates into long-term value. These jars are workhorses, designed to endure the demands of a commercial environment, reducing the need for frequent replacements that comes with cheaper, less durable alternatives. Their sodalime glass construction isn't just for looks; it's a commitment to food safety and  purity, ensuring that your ingredients' flavours are never compromised. Opting for a Kilner is a strategic decision for quality, consistency, and  a professional image that customers instantly recognise and  respect.

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How the Airtight Clip-Top Seal Locks in Freshness

Ever wondered what makes the Kilner seal so effective? It’s not just the clip, but a clever two-part system. Think of it like a submarine hatch. The durable rubber ring creates a soft, pliable barrier between the glass lid and  the jar rim. When you push the stainless steel clip down, it applies precise, even tension all the way around the lid. This pressure squeezes the rubber ring, forcing out any air and  creating a perfect, hermetic seal. This is why it’s so much better than a simple screw-top for protecting ingredients from air and  moisture, keeping them at their absolute best for longer.

Who Should Buy This?

  • Cafés & Coffee Shops

    Perfect for storing coffee beans, loose-leaf teas, and  sugar, keeping them fresh and  beautifully displayed on the counter.

  • Delicatessens & Farm Shops

    An ideal choice for selling and  storing homemade preserves, pickles, olives, and  artisan dried goods with a professional look.

  • Sweet Shops & Bakeries

    Showcase colourful sweets, sprinkles, and  baking ingredients in a hygienic, airtight, and  visually appealing way.

  • Restaurant Kitchens

    A must-have for organising the pantry, storing spices, grains, and  pulses in a secure, stackable, and  easily identifiable format.

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