• Biodegradable bag for a coffee knock with recycling instructions and an Australian Made logo on a white background
  • Person composting with visible compostable bags and text about BioBags being compostable at home of by council on a purple background.
  • Photo showing a BioBag compostable bag being used for organic waste, and text stating that BioBag is the only compostable bag manufacturer in Australia
  • Green compostable bags with text promoting buying per carton and saving on a purple background
  • Roll of compostable bags laying on soil with text about sustainability and eco-friendliness on a purple background
  • Person using a coffee machine coffee grip over a coffee knock with a BioBag compostable bag with 'Reuse Recycle' text in a cafe setting.
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BioBag Australia

Compostable Coffee Knock Tube Liner

Compostable Coffee Knock Tube Liner

25 Bags Per Roll

Designed for cafés and restaurants to capture valuable coffee grounds

$22.25 AUD
$22.25 AUD
$0.89 each
Bulk Discount Sold out
Taxes included.
Quantity

The Compostable Coffee Knock Tube Liners, also known as Coffee Knock Bags, are purpose-designed for cafés, restaurants, and hospitality venues to capture and manage used coffee grounds. Built for daily commercial use, they fit standard coffee knock bins and make waste collection cleaner, more hygienic, and fully compostable.

Proudly Australian made and owned, these are the only locally manufactured compostable coffee knock liners on the market. Certified to both AS5810 (Home Compostable) and AS4736 (Commercial Compostable), they break down completely in composting systems with no microplastics or harmful residues.

 

Key Benefits of These Coffee Knock Tube Liners

  • Keeps coffee knock bins clean, hygienic, and easy to maintain
  • Designed specifically for cafés, restaurants, and hospitality use
  • Strong enough to handle heavy, wet coffee grounds daily
  • Certified compostable for commercial and industrial compost systems
  • Supports sustainable waste diversion from landfill
  • Proudly Australian made and owned compostable solution

Product Features

  • Coffee Knock Bags / Coffee Knock Tube Liners for café knock bins
  • Australian made and owned – locally manufactured compostable solution
  • Certified to AS5810 (Home Compostable) and AS4736 (Commercial Compostable)
  • Strong, durable design for wet coffee grounds and daily commercial use
  • Supports circular waste systems in hospitality environments

Specifications

  • Fits standard size coffee knock tubes
  • 25x bags per roll

Materials

BioBags are made from plant-based, corn starch-derived, materials combined with biodegradable and compostable polymers from renewable sources.

BioBags are designed as an alternative to conventional plastics, and are formulated to break down completely under appropriate composting conditions. We prioritise natural, non-genetically modified raw materials, and environmentally responsible sourcing.

BioBags are environmentally sustainable products designed to minimise environmental impact.

Why Choose This Product

These coffee knock liners are built specifically for the hospitality industry, where efficient and hygienic coffee waste management is essential.

Unlike conventional plastic liners, these compostable knock bags fully break down in certified composting environments, helping cafés and restaurants divert valuable coffee grounds away from landfill and into nutrient-rich compost.

As the only Australian made and owned compostable coffee knock liner, this product supports local manufacturing while delivering consistent, reliable performance for busy commercial environments.

FAQs

What are coffee knock tube liners used for?

They are used in cafés and restaurants to collect used coffee grounds from espresso machines.

Are these coffee knock bags compostable?

Yes, they are certified to AS5810 (home compostable) and AS4736 (commercial compostable) standards.

Can they handle wet coffee waste?

Yes, they are designed to be strong and durable for daily commercial use.

Are these suitable for commercial composting?

Yes, they are fully certified for commercial compost systems used in hospitality waste programs.

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