Big Time Toys Socker Bopper Power Bag TOTALLY SAFE: This Power Bag is weighted at the bottom and inflated with air. It wont hurt them while knocking around and is soft on their hands while hitting. You dont have to worry about it falling over, either, because it always bounces back! BOOM, POW, BAM: Bop the Socker Bopper Power Bag. It bounces back fast. The world's fastest bounce-back action. Made of Heavy Duty Vinyl. It is air-inflated for soft, safe fun SELF DEFENSE: Its good for your child to know how to keep themselves safe in a situation where you might not be there. Start them out early with the Socker Bopper Power Bag and by the time theyre adults, theyll be able to protect themselves and others. CATHARTIC RELEASE: This is also a great toy for channeling behavior that you wouldnt want them using on the playground. Giving your child an innocent and comfortable space to release their emotions is key to healthy living and development. PHYSICAL FUN: Pull those kids away from the TV and the tablets and get them doing more physical activity. Keep them strong and healthy by giving them toys like the Socker Bopper Power Bag which is both exciting and exercising!