Hedstrom Hopper Balls are a great fun way to get kids active and exercising and are durable enough to use inside or outside. Kids love the fun colorful graphics of their favorite characters. The durable vinyl material stays inflated and bouncy while kids hop and bounce almost anywhere. The textured rugged handle provides a secure grip. Manufacturered by Hedstrom. The 15 inch diameter is sized for children aged 4+ and is easy to pack along or easily stores away. Ships deflated but easily inflates with any hand pump or electric pump (not included). Easily deflates for storage or travel. The Hedstrom Hopper ball is the original Hopper. Hedstrom has been making toys like the Hopper Ball since 1913! Quality Hop Balls come from Hedstrom.