Thermal bag suitable for the short-term transportation of any temperature-sensitive pharmaceuticals. Can use gels to extend performance but with increased weight. Will maintain a product temperature between 28°C for up to a maximum for 4 hours when in use. Waterproof, rot proof stitching, antifungal and comes with a 2 year guarantee, subject to normal wear and tear. Estimated capacity 120 HPV packs (without blocks). Weight: 0.93kg. External dimensions: 400 x 330 x 280mm. Internal dimensions: 355 x 285 x 235mm.