Trusted by leading companies
Insulated liners
- Advanced Temperature Control for Every Shipment
- Sustainable Materials Without Compromise
- Bespoke Box Liners with No Tooling Costs
High-Performance Thermal Protection for Perishable Shipments
Insulated liners are a vital component in maintaining precise temperatures during the storage and transit of perishable goods. At Hydropac, we manufacture premium insulated liners tailored to food, pharmaceutical, and specialist product shipments that demand dependable thermal protection. Designed for use within standard or bespoke boxes, our liners offer exceptional insulation against external temperature fluctuations — keeping chilled, ambient, and frozen items safe for up to 24 hours or more. From eco-friendly paper-based fleece liners to high-performance reflective foils, our liner solutions are engineered for efficiency, hygiene, and sustainability across short domestic deliveries and complex international shipments alike.
Discover Insulated liners
The Smart Shield: How Insulated Liners Protect Your Products
At Hydropac, insulated liners are more than just thermal padding — they’re a purpose-built solution for safeguarding product integrity across every mile of the cold chain. Whether you’re shipping deli items, premium seafood, pharmaceuticals or pre-packed ready meals, our liners ensure the correct internal temperature is maintained from packing bench to doorstep.
Designed to slot into cardboard shipping boxes or containers, our liners form a lightweight, high-performance thermal barrier that protects goods from radiant heat, ambient fluctuations and condensation. From wool-based natural materials to advanced bubble-foil composites, we tailor the liner to your needs — without compromising on cost-effectiveness or performance.
Maximum Thermal Performance, Minimum Fuss
Our insulated liners provide protection for a wide range of temperature-sensitive products across all sectors:
- Food and Drink
Keep chilled foods, fresh produce, and frozen ready meals at the right temperature during transport — ideal for online grocers, meal kits and speciality food brands. - Pharmaceutical and Medical
Paired with our gel packs, liners help safeguard temperature-critical shipments, including diagnostic samples, medication, and medical devices. - Specialist Packaging Solutions
For everything from premium wine shipments to bespoke seafood packs, we offer insulation that’s designed to handle niche requirements.
Material Innovation at Its Finest
Every liner is crafted from carefully chosen materials, optimised for performance, sustainability and cost-efficiency:
- EcoLiner Box Liners – made using paper-based materials, recyclable and ideal for curbside collection.
- Fleece Liners – natural wool-based insulation encased in food-grade liners, offering superb temperature retention.
- ReflectiveAir and Bubble Foil Liners – two-piece foil bubble liners that reflect radiant heat and create a stable environment inside.
- Bespoke-Sized Liners – designed to fit your exact box size, eliminating void space and improving cooling efficiency.
Flexible Kits for Every Box
Whether you need a single liner or a full six-sided kit, we deliver solutions that are:
- Lightweight and easy to handle
- Flat-packed for efficient storage
- Designed to minimise condensation risk
- Compatible with gel or water-based ice packs
- Available in 1–3, 4–7, or 8–15 pack sizes for varied shipping volumes
With Hydropac’s insulated liners, you get more than just packaging — you get peace of mind that your temperature-sensitive products are protected, professionally presented, and sustainably packed.
Contact us directly
We are ready to answer all your questions and help you find the perfect solution for your cold chain transport.
From issue to a customised cooling solution
In this way we help you to guarantee the quality and safety of food products under all circumstances.
FAQ's about Insulated liners
What are insulated liners used for?
Insulated liners are used to maintain the internal temperature of packaged goods during shipping. They are ideal for transporting chilled, ambient, or frozen items such as food, pharmaceuticals, and specialist products that require thermal protection from heat, cold, or temperature fluctuations.
What materials are Hydropac’s insulated liners made from?
Hydropac offers a variety of material options including recyclable paper-based EcoLiners, natural wool fleece liners, and ReflectiveAir bubble foil liners. All materials are selected for their thermal performance, sustainability, and compatibility with food and medical-grade requirements.
Can I request bespoke sizes for my insulated box liners?
Absolutely. We offer custom-sized liners tailored to your specific box dimensions. This ensures a snug fit, reduces dead space, and improves thermal efficiency — all without any additional tooling costs.
How long do the liners keep products cold?
When paired with the correct refrigerants, our liners can maintain chilled or frozen conditions for 12–24 hours, depending on product type, ambient temperatures, and shipping conditions. They are suitable for both short-distance and international deliveries.
Are insulated liners environmentally friendly?
Yes. Many of our liners, including EcoLiners and Fleece Liners, are made from recyclable or biodegradable materials. We design all packaging with sustainability in mind, offering solutions that reduce environmental impact while delivering top-tier performance.
