【Food-grade material】Made from food-grade 304 stainless steel with a polished finish, this dumbbell water cup is sturdy, durable, scratch-resistant and stain-resistant, ensuring a long service life. 【Versatile 2-in-1 Design】 It is not only a water bottle but also serves as a dumbbell for arm and shoulder workouts – perfect for efficient strength training whilst staying hydrated. 【Moderate Capacity】 With a moderate capacity of 300ml, it meets your single-serving hydration needs. Weighing 8kg, it is neither too heavy to lift nor too light to be effective. 【A Unique Gift for Fitness Enthusiasts】 A fun yet practical gift for friends, colleagues and trainers. It combines enjoyment with practicality, adding a fresh touch to both training and daily life. 【Simple and Elegant Design】 Sleek lines and a high-quality stainless steel finish give it a simple yet stylish look. It looks great on a desk, in the gym or in the living room, symbolising self-discipline.