Description Gunky build up in your soft bottles and water bladder? Not any more! This hydration cleaning kit has got a range of brushes and cleaning tubes to allow you to get in all the tricky areas where gunge can build up. We would also recommend keeping your straws and lids in the freezer to prevent bacteria build up when not in use. Helps to keep items clean for each use! Size Guide & Tech Details Can be used with Harrier and any other brand soft bottles and water bladders. Delivery and Returns Free, no quibble 90 day UK returns and exchanges. See our Return Information for more details. 365 day money back guarantee. Contact us and we will be happy to help.