Coffee Jar With Plunger Seal, Set of 2

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Our Verdict

ROK’s patented Zero Jars are an easy and elegant way to keep your coffee fresh. Gently plunge the lid to expel air, and pull it up to release the seal.

  • Crafted from thick-walled glass with a soft silicone base and glass composite plunger/lid
  • Preserve coffee’s taste and crema by preventing oxidisation
  • Sized for a 250g bag of coffee beans or grounds
  • Use each jar for different coffee varieties, or other pantry ingredients
  • Jar size - diameter 10cm x height 11cm. Holds 600ml
  • Jars come in plastic-free gift boxes, with instructions

London engineers ROK have created innovative, manually-operated home coffee makers with sustainability and longevity in mind. Well-known for its unique design, the GC Manual Espresso Maker is just as famous for making really, really good coffee. Having perfected and honed their design over the years, ROK have won several prestigious design awards and even the ‘Best Product’ award at the London Coffee Festival.

Shipping & Returns

Standard UK shipping is £4.45, or free for any order over £100. UK delivery can be expected within 3-6 working days.

Returns are available within 30 days. Any returned items must be in new (unused) condition and should include all original, undamaged packaging. Return shipping is at your own cost, unless the item received is faulty.

To begin a return, contact us here, quoting your order number and reason for return. After the item is received back, it will be checked before your refund is issued.

Made to Last

Buy once, buy well

Everything we sell is designed to last by makers that care.