The 550ml Hydrazero Superlight bottle is ultra-lightweight, designed for easy transport during your workouts or sports activities. Its flexible material and ergonomic spout make it easy to use while staying hydrated. Compatible with rapid hydration and easy to clean. Instructions for use Fill the bottle with water or sports drink, close the lid tightly and use the nozzle to drink comfortably while you exercise. Pharmaceutical advice Lightweight 550ml water bottle, ideal for medium-duration workouts. Easy to carry and use. Keeps your drinks cool.