Overview
The Colpac Medium Compostable Window Bag is a sustainable, food-safe sandwich bag designed for the food-to-go sector. Made from unbleached kraft paper and fitted with a compostable cellulose window, it provides both product visibility and ventilation--making it ideal for fresh sandwiches, paninis, and bakery items. With certified compostability and compatibility with heat-sealing equipment, it's a perfect solution for cafés, delis, and eco-conscious retailers.
Material & Construction
- Material: Unbleached kraft paper with a compostable cellulose window
- Structure: Flat-format bag with a front-facing cellulose window
- Finish: Natural unbleached kraft for a rustic, minimalist appearance
- Closure Type: Open-top; suitable for heat sealing or closure with adhesive labels
Key Features & Benefits
- Barrier Properties: Provides light grease resistance through the kraft base paper
- Temperature Tolerance: Designed for chilled and ambient food; not microwave or oven-safe
- Sealing Compatibility: Can be sealed using heat-sealing equipment or adhesive labels
- Sustainability:
- Commercially compostable to EN13432 standards, including the cellulose window
- Decomposes in industrial composting facilities within 90 days
- Plastic-free and fully aligned with sustainability goals in the foodservice sector
Technical Specifications
| Specification | Details |
|---|---|
| Material | Kraft paper with cellulose window (EN13432 compostable) |
| Dimensions | 210 mm (H) x 210 mm (W) |
| Capacity | Ideal for sandwiches, paninis, or bakery items |
| Barrier Coating | Basic grease resistance provided by kraft paper |
| Printing Method | Natural kraft (unprinted); available plain or with custom branding |
| Temperature Use | 0 degreesC to ambient; not suitable for reheating |
| Pack Size | 1,000 units per case |
Common Questions & Answers
Q: Is the window plastic-free?
A: Yes. The window is made from cellulose and is fully compostable to EN13432 standards.
Q: Can this bag be heat sealed?
A: Yes. The kraft construction is compatible with standard heat-sealing equipment for a tamper-evident seal.
Q: Is this suitable for hot food?
A: No, this bag is designed for cold or room-temperature foods only. It is not suitable for ovens or microwaves.
Customer Review
"A perfect balance of sustainability and practicality. The compostable window adds a professional touch, and customers appreciate the eco credentials. Also easy to pack and seal."
Mainland England & Wales ONLY.
- Orders over £100 are Free Standard Delivery.
- Orders under £100 are £6.45 (up to 10kg, then 30p per each additional kg) Standard Delivery
- Next Day Delivery £8.45 (up to 10kg, then 30p per each additional kg)
- Collection Free
We ship parcels using DPD tracked Service. We will send you tracking information by email or text to inform you know when they will be delivering your parcel.
Our cut-off time for deliveries to leave us the same day is 12 noon (mid-day) Monday to Friday.
In Stock Standard Delivery: 2 - 4 Working days.
In Stock Next Day Delivery: Same day dispatch if placed by 12 noon (mid-day) for next week-day delivery.
Out of Stock: 3 - 5 Working Days or by pre-order date if shown on the product page.
Items Marked 'Pre-Order' on the website are not currently available from our supplier. If we know the delivery date, it will be visible on the product page. Please call or email for information on Out-Of-Stock items & we will update you when they are available again. If a forward delivery date is shown, you may still pre-order as we are awaiting our stock delivery.
If any item ordered becomes unavailable we will contact you by email or phone with expected delivery times. We authorise and debit orders on acceptance, if should you wish to cancel, we will do so immediately.
Free Product Exchange:
We allow 30 days for a product exchange. On receipt of the original unused items in original packaging we will return your exchange carriage free.
Terms and conditions apply.
Scottish Highlands & Islands/ Northern Ireland
- Not Currently available
The cut off time for deliveries to leave us the same day is 2pm Monday to Friday.
We ship using DPD tracked service. DPD will send tracking information by email or text so you know when they will be delivering your parcel.
Free Collection:
Please arrange a collection time and date with our team if you wish to collect your order.
ALL DELIVERY PRICES ARE PLUS VAT
