Grow Tools Mylar Bag 250mu for Curing & Storage
Grow Tools Mylar Bag 250mu for Curing & Storage
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Order by 3pm Mon–Thu for next-working-day delivery · FREE delivery over £50 · Free Wembley pickup
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Keep Your Harvest Fresh, Potent and Sealed In
All the work of a grow can be undone in storage. Light, oxygen and moisture steadily degrade dried flower, and thin bags let odour straight through. The Grow Tools Mylar Bag is a 250mu (250 micron) multi-layer bag that is lightproof, airtight and odour-proof, with a resealable zip lock for day-to-day access and the option to heat seal the top for genuinely long-term storage. The material is thick enough to shrug off tears and punctures in a busy trim room, and the bags are reusable, so once heat sealed you can cut below the seal line and zip them shut again. Available in 31cm x 43cm and 43cm x 56cm.
Key Benefits
- Lightproof and airtight construction blocks UV and slows oxidation, the two things that flatten aroma and potency
- Odour-proof seal keeps strong smells contained during curing, storage and transport
- Thick 250mu material resists tears and punctures far better than standard food bags
- Resealable zip lock makes checking and burping a cure quick and tidy
- Heat sealable and reusable, so the same bag serves a full cure and then long-term storage
- Two sizes to suit anything from a single jar-sized batch to a bulk harvest
How to Use
Dry your flower properly first, as sealing damp material traps moisture and invites mould. Fill the bag, press the air out gently, then run the zip seal closed and store somewhere cool and dark. During the early cure, open the bag briefly each day to exchange the air, then reduce as the aroma settles. For long-term storage, run a standard heat sealer across the top above the zip. To reuse, cut carefully below the heat seal line and carry on with the zip.
Technical Specifications
- Product type: Mylar storage bag
- Thickness: 250mu (250 micron)
- Sizes available: 31cm x 43cm, 43cm x 56cm
- Closure: Resealable zip lock, heat sealable
- Properties: Lightproof, airtight, odour-proof
- Use: Curing, storage and transport of dried plant material

Free next-day delivery on orders over £50 (order by 3pm Mon–Thu). Heavy-item surcharges are always shown at checkout before you pay — we only ever charge what delivery costs us. Prefer to collect? Free pickup at our Wembley store.