Description: Full Body Workout: This Workout Sand Bag (not include water) is great Stability Fitness Equipment for full body training at home or gym. The sloshing of the water helps you gain stability, strength and core power and activate larger muscle groups as well as the smaller stabilizing muscle groups.Portable and Practical: Water Power Bag with non slip handle allow different exercises and do kinds of movements such as lifts, swings, curls, step ups and rows.Adjustable Weight: This Water Weight Bag with weight markings, allows you to adjust the weight according to your training needs by injecting different amounts of water.Quality Material: Water Bag is made of quality PVC material, sturdy and strong, not easy to break, providing long term use.How to Use: 1. Add the water into the bag first. 2. Use an inflator to inflate the water bag. 3. Verify air tightness. 4. All is well, put more water in the bag and pump again. Air Pump included for convenient using and inflatable design for easy storage and carrying. Specification: Material: PVC Size Chart: 20cmx75cm/7.87inchx29.53inch Package Includes: 1 Water Weight Bag1 Inflator Note: 1. Please allow slightly error due to manual measurement.2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!3. Wish you a wonderful on-line shopping!