This sandbag is perfect for boxercise and allows for exercises that improve full-body strength. - Product Name: Shape Hit Pole - Features: Sandbag for boxercise - Strength Improvement: Enhances full-body strength - Exercise Style: Exercises incorporating boxing and martial arts movements - Activity Level: Bicep strength up 428%, rectus abdominis strength up 183%, adductor strength up 239% Please check the condition in the images and purchase only if you understand that this is a used item. First come, first served. It was 16,800 yen on Rakuten. Thank you for viewing.