1This target is made of good quality PVC material, lightweight and durable, the bottom has thickened design, more wearable and suitable for both indoor and outdoor use 2It has two compartment, the bottom one is for water or sand to increase weight to keep it stand stable on the ground, the upper is for air to help you train your skills 3Comes with a pedal pump, making inflation more labor-saving and quicker 4Owing to its soft feature, it can absorb shock and protect you from accident hurt 5Good for relieving pressure, body building, etc