This insulated reservoir and drink tube maintain water temperature longer. It features a wide-mouth opening for easy filling, cleaning, and drying. The Plug-N-Play drink tube disconnect simplifies refills and cleaning. The flexible, kink-resistant 36-inch TPU tube ensures steady hydration flow. Its high-flow bite valve self-seals to prevent leaks and drips. Made of durable TPU, it is 100% BPA- and PVC-free. Compatible with many hydration packs and can be frozen or filled with hot water up to 140°F.