16-25 KG Fitness Water-filled Dumbbell Fitness Equipment Training Arm Muscle Fitness Adjustable Convenient Water Injection DumbbProduct Description 1. The use of this inflatable dumbbell is creative and practical, and the weight can be adjusted because the volume of water is controllable, depending on your needs. 2.Weight bag using high quality PVC material, with good sealing, no leakage, durable. And because it's soft, you don't hurt the floor when you drop it to the ground.3. The detachable design is convenient for assembly and use, and is convenient for air bleeding to be carried or stored. It is equipped with the necessary accessories.4. The set of fitness equipment can help you build good physical, portable, and space-saving, and can be placed at home or in the office for personal training.5. fitness equipment suitable for fitness lovers, and is suitable for body-building exercise, muscle training and the like. Product Parameters: Color: BlackMaterial: PVC + metal Weight:20-25kg 16-20kg (optional)Packing list: Dumbbell bag * 8 Lever * 2 Fixed piece * 8 Extension rod * 4Note: (1) All pictures are professionally colored, but due to the different ambient light and different display device settings, there may be some deviations between the pictures you see and the items themselves. Please understand. (2) The data is measured manually, and there may be some deviation, but it does not affect the use.