The 42-inch Bop Bag is more fun than a pillow fight! Everyone will love it! You can"t knock it down! Play anywhere - great inside or out! It has a weighted water base for spring-back action! The 42-inch Bop Bag is made of super heavy-duty vinyl for rugged durability. It must be inflated to maximum capacity for proper function. Big Time Toys is a toy company manufacturing and selling its own products to mass-market retailers all around the world. Founded in 1995, the Company"s most successful TV-advertised brands include: SuperSwimmer, SockerBoppers, YoYoBall and MoonShoes. The Company is headquartered in Nashville, TN and operates a distribution center in Los Angeles and has manufacturing management offices in Hong Kong.