The Streamer II 3.0L Reservoir features a wide opening with an ergonomic slide-clip closure for quick, secure sealing. It has a fully reversible design for easy cleaning and maintenance. Its lightweight and flexible build ensures optimal comfort during activity. Compatible with the Deuter 28mm filter for access to fresh water. Made from BPA-free and PFAS-free materials for health and environmental safety. Durable construction ensures long-lasting performance.