Decompression tumbler PVC material with a thickwalled design for durability and crack resistance. The inflatable construction allows easy storage when not in use. Inflatable sandbag and training tool. This inflatable sandbag is designed for boxing and other martial arts fans, providing a versatile training aid for home gyms or studios. Fitness tool for functional training. The inflatable sandbag can be used for punching, kicking, martial arts practice, and general fitness routines, helping to build stamina, power, and endurance. Boxing column for skill development. Ideal for exercise that targets agility and handeye coordination, supporting consistent practice and technique refinement. Use scenarios Home boxing and martial arts training: use the inflatable sandbag for targeted punch and kick combinations, rhythm work, and technique repetition in a compact space. General fitness and conditioning: incorporate into circuit training, tempo work, or interval sessions to improve power, balance, and cardio fitness without heavy equipment. Coordination and reflex drills: perform rapidfire strikes, speed drills, and reaction exercises to enhance handeye coordination and timing. Key specifications and features Material: PVC with a thickwalled construction for durability. Design: inflatable for compact storage and easy setup. Function: suitable for punching, kicking, martial arts training, and general fitness. Usage: serves as a versatile training aid in home gyms and fitness facilities, and can be used as a gift for boxing or martial arts enthusiasts.