Round Bottom Bags

No costly and time-consuming cleaning of the containers

Turns your disposable containers into reusable ones, replacement and disposal costs are reduced significantly

Protects your containers and fillings from contamination and dirt

Trouble-free use of agitators and emptying by suction pumps is possible

therefore complete removal of the filling

Higher durability of the filling

Prevents the diffusion of air/oxygen and moisture to the filling


The round bottom bags is an individual and perfectly fitting lining with a welded round bottom for all-around containers. In this way, barrels, fiber drums, hobbocks, and buckets are protected optimally. The round bottom bag is used for any type of storage and shipping of liquids, pasty media, powders, and granules.

As a custom product, the round bottom bag can also be manufactured as a closed container lining with a welded-in filler neck or screw cap. You already optimally protect the product and the environment during the filling process.

Made of special composite films, the round bottom sack can also be used for solvent-containing products, highly flammable substances, hot fillings, and oxidizing and hygroscopic materials.


Diameter: 30 mm to 1500 mm
Headroom: 100 mm to 3000 mm
Thickness: 30 µm to 300 µm

Material types

  • LDPE films in designs as required:
    • Recyclates
    • Renewable raw materials
    • Food-safe
    • Anti-static
    • Electroconductive
  • Aluminum composite film in different material compositions
  • HDPE/MDPE films:
    • Anti-static
    • Food-safe
  • Coextrusion films with different barrier properties
  • Polyamide films
  • Polypropylene films

Roundliner GmbH
Werner-von-Siemens-Str. 19
D-76694 Forst

Phone: +49 7251 9779 11
Fax: +49 7251 9779 15

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