The Grip Seal Polythene Bags provide a reliable solution for securely transporting and storing specimens. These bags are available in various sizes to accommodate different specimen types and feature write-on panels for easy identification. The effective waterproof and airtight seal is quick and easy to open and close. Suitable for a wide range of specimen types, these convenient bags can be reused without special storage requirements. These seal bags are also provided by Sentinel Laboratories, a trusted distributor for over 35 years. Sentinel's experience and reputation ensures the quality and reliability of the bags.