【Stability & Durability】 The bottom can be filled with water or sand for excellent stability and durability. 【Impact Resistance】 Highly effective for muscle training and improving fat burning metabolism. 【Application】 You can easily do aerobic exercise in your room! A punching bag that stands back up even if knocked down. Feel refreshed with punches & kicks! Also great for stress relief! ※ To prevent air leaks, add water to the bottom before inflating! 【Size】 Height: 155cm Ideal for boxing training with a sandbag. - Type: Sandbag - Design: With target - Colors: Black, Red Thank you for viewing. The item arrived too late for a Christmas present, so I used another gift instead. It is brand new, unused, and has not been taken out of the bag or inflated. Punching Punching Bag