Polythene Bags - Heavy Duty

Heavy duty polythene bags suitable for packing heavier items up to 400grams. Offering increased strength and durability compared to light and medium duty polythene bags.

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As the UK’s largest distributor of protective packaging materials, we can provide a range of quality bags made from recycled polythene.    


Heavy duty polythene bags are suitable for packing heavier items, up to 400 grams in weight. These plastic bags can be used to pack anything from industrial components to oversized retail products.



Heavy duty polythene bags from Macfarlane Packaging can hold a maximum weight of 400g.



Yes, polythene bags can be recycled, but the recycling process can vary depending on the type of polythene used.


Many recycling services accept polythene for recycling but not always through kerbside collections. However, they can be dropped off at specific collection points, like supermarkets, for example.


All polythene bags sold by Macfarlane Packaging feature at least 30% recycled plastic.



Heavy duty polythene bags are made of polyethylene, a type of plastic polymer. Polyethylene is one of the most used plastics in the world due to its versatility and low cost.


The two most common types of polythene used in the production of polythene bags are:


  • Low-Density Polyethylene (LDPE): A flexible and lightweight type of polyethylene. It is commonly used to make thin, soft and stretchable bags, which are often used for packaging products like groceries, produce and clothing.

  • High-Density Polyethylene (HDPE): A denser and more rigid form of polyethylene. It is used to manufacture stronger and sturdier polythene bags, suitable for carrying heavier items and industrial applications.

Both LDPE and HDPE polythene bags are widely used due to their durability, moisture resistance and cost-effectiveness.



Heavy duty polythene bags are available in a wide range of sizes. From as small as 100 x 150mm they can be made to any size you require. When ordering custom size bags, minimum order quantities will apply. 


Strong heavy duty polythene bags   

As one of the UKs leading packaging distributors, you trust Macfarlane to provide top-quality plastic bags. 

Heavy duty polythene bags are a robust and versatile packaging solution designed to handle tough storage and transportation needs.  

Macfarlane Packaging’s heavy duty polythene bags are made from thick LDPE, making them highly durable, tear-resistant and capable of protecting a wide range of heavy or bulky items. 

All of our heavy duty plastic bags are made from a minimum of 30% recycled material. 

If you can’t find the polythene bag you’re looking for, ask us about our custom packaging service. We provide free estimates and can tailor a solution to you.