【Lightweight Storage】: This product weighs only 0.2KG in the storage state, lightweight and portable, easy to put into the luggage. 【Quiet Use】: The water-filled design avoids the hard impact of traditional dumbbells, which not only protects the floor from damage, but also provides a quiet environment. 【Innovative Water Weight】: Using water as the weight-bearing medium, it breaks the single sense of traditional dumbbells and brings a more interesting fitness experience. 【High Quality PVC】: High quality PVC is used to ensure the health of the use process, compact size and light weight when not filled with water, easy to store and carry. 【Visible Adjustment】: Transparent side display of water volume, easy to adjust the weight of the dumbbells according to your workout needs and goals.