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NatureFlex™ Clear Gusseted Heat Seal Bags | Home Compostable & Plastic-Free
NatureFlex™ Clear Gusseted Heat Seal Bags | Home Compostable & Plastic-Free
NatureFlex™ Clear Gusseted Heat Seal Bags | Home Compostable & Plastic-Free
NatureFlex™ Clear Gusseted Heat Seal Bags | Home Compostable & Plastic-Free
NatureFlex™ Clear Gusseted Heat Seal Bags | Home Compostable & Plastic-Free
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NatureFlex™ Clear Gusseted Heat Seal Bags | Home Compostable & Plastic-Free
NatureFlex™ Clear Gusseted Heat Seal Bags | Home Compostable & Plastic-Free
NatureFlex™ Clear Gusseted Heat Seal Bags | Home Compostable & Plastic-Free
NatureFlex™ Clear Gusseted Heat Seal Bags | Home Compostable & Plastic-Free
NatureFlex™ Clear Gusseted Heat Seal Bags | Home Compostable & Plastic-Free
NatureFlex™ Clear Gusseted Heat Seal Bags | Home Compostable & Plastic-Free
NatureFlex™ Clear Gusseted Heat Seal Bags | Home Compostable & Plastic-Free
NatureFlex™ Clear Gusseted Heat Seal Bags | Home Compostable & Plastic-Free
NatureFlex™ Clear Gusseted Heat Seal Bags | Home Compostable & Plastic-Free
NatureFlex™ Clear Gusseted Heat Seal Bags | Home Compostable & Plastic-Free
NatureFlex™ Clear Gusseted Heat Seal Bags | Home Compostable & Plastic-Free
NatureFlex™ Clear Gusseted Heat Seal Bags | Home Compostable & Plastic-Free
NatureFlex™ Clear Gusseted Heat Seal Bags | Home Compostable & Plastic-Free
NatureFlex™ Clear Gusseted Heat Seal Bags | Home Compostable & Plastic-Free
NatureFlex™ Clear Gusseted Heat Seal Bags | Home Compostable & Plastic-Free

Product Description

NatureFlex™ Clear Flat Heat Seal Bags – 100% Plastic-Free & Home Compostable

The sustainable, crystal-clear alternative to traditional plastic bags.

Elevate your eco-friendly credentials with our NatureFlex™ Clear Heat Sealable Bags. Engineered for businesses that refuse to compromise on quality or the planet, these bags offer the high-clarity and barrier protection of plastic but are made entirely from renewable wood pulp.

Whether you’re packaging artisan chocolates, loose-leaf teas, or handmade wax melts, these bags provide a professional finish that shows your customers you care about the environment.

Please note that our Natureflex™ flat bags are designed for thinner items like cookies, if you need thicker bags such as baguettes and pastries you need our Natureflex™ gusset bags.

Why Choose Our NatureFlex™ Bags?

  • Pack / Box Size: 100 bags or
  • Size Options: Choose from five different sizes (see below)
  • Home Compostable: Certified for both home (OK Compost Home) and industrial composting. They break down naturally in a garden compost heap, leaving no toxic residue or microplastics behind.
  • Low-Energy Heat Sealing: Designed to seal at lower temperatures than standard plastic, helping you reduce energy consumption. (Can also be sealed with our plant-based labels or our double-sided high-tac tape.
  • Superior Freshness: Featuring a natural moisture barrier and thicker 30-micron material, these bags extend the shelf life of your products and keep them tasting (or smelling) fresh.
  • Anti-Fog Technology: The natural material prevents fogging in chilled cabinets, ensuring your products always look their best for customers.
  • Extra Strength: A crimped bottom provides added durability, making them perfect for heavier or bulkier items.
  • Made from wood (yes you read that correctlyNatureflex™ is made using cellulose (derived from renewable certifiedwood pulp from well managed forestry stock.
  • Certified & Tested : To tested to a huge range of international standards see below.
  • Food Safe & Planet Friendly™: All the benefits of plastics bags with none of the environmental downsides.
  • Buy More, Save More Stocking up? maximize your budget with our exclusive volume discounts. Check the table below to see how much you can save when you order in larger quantities.

Please note the bags shown are our Kraft bags with Natureflex™ window, but sealing these bags is the same as above,

Guide to choosing the right bag
Product Code Size Size Size
NFB127x76 Small 127 x 76mm 5 x 3 inch
NFB150x100 Standard 150 x 100mm 6 x 4 inch
NFB180x70 Medium 180 x 70mm  7 x 2¾ inch
NFB250x150 Large 250 x 150mm 9.8 x 6 inch
NFB300x180 XL 300 x 180mm 11¾ x 7 inch
(size excludes crimp area of 15 mm) 
Bulk Discounts
Number of Boxes Discount
2 to 4 5%
5 to 9 7.5%
10 to 24 10%
25 to 49 12.5%
50 to 99 15%
100 or more  20%
Product Specifications
Material: NatureFlex™ (Cellulose from wood pulp)
Design Expandable gusset for extra volume and stability.
Thickness: 30 microns for premium feel and strength.
Certification OK™ (EN13432) , BPI™ (ASTM D6400) certified as compostable for home composting and commercial composting, Marine biodegradations standard ASTM D6691-09 along with additional testing to Feed a Field™ Certification standards for durability and non toxic decomposition & USDA certified as bio based.
Temperature Guide -20°C to 80°C -4 to 176°f
Thickness 30 microns
Applications Ideal for ambient and chilled products, confectionery, snacks, seeds, and non-food items like soaps or crafts.
Storage & Disposal Please check the storage and disposal tab.
Read More

Product Specs

GTIN
5060912570744
Size
Large
Design
Natureflex Clear
Dim
127 x 76mm
Material
Natureflex™ from Wood
MPN
S11-N002-1x1000b
Catergory
Compostable Bags
Product Type
Natureflex Clear Bags
Country of Origin
United Kingdom
Heat
Cold & Warm Foods
HS Code
4819400000
Bag Size
Standard Natureflex Bags
Disposable Options
Compost or Recycle Me
Dimensions
L150 x W100mm
Pack or Box
Box
Bag Type
Natureflex Bags
Brand
NatureFlex™
Product Code
S1NFB127x76-1x100
Weight
0.31kg

Delivery

Honest Low Cost Delivery

UK Royal Mail Tracked 48 & Tracked 24 & Next Working Day. 

£3.65 up to £19.99

Free delivery for order over £125 (UK Only)

Worldwide from £8.75

Customer Reviews

NatureFlex™ Clear Flat Heat Seal Bags – 100% Plastic-Free & Home Compostable

Product Code S1NFB127x76-1x100

Packs of 100 to 1000 bags
5 sizes available

Heat Sealable & Plastic Free

Made in Green Britain

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