â- High-density EPE foam provides enough support for babiesâ- Waterproof PU cover for long-lasting use and hassle-free cleaningâ- The ball pit also serves as a crawling tunnel or obstacle structureâ- Equipped with 100 colorful ocean balls for convenient playâ- Hook and loop fasteners ensure secure attachmentâ- Smooth zippers make it simple to detach the coversâ- ASTM and CPSIA compliant a perfect gift for kids over 1 year oldâ- Good for motor skills coordination muscle strength and color