High-quality Material, Endless Fun: Dive into endless bumping fun with Inflatable Bumper Ball! Crafted from 0.8mm thickened, explosion-proof PVC, these sumo balls are durable, safe, waterproof, and built to prevent air leaks. Excellent tear resistance, advanced valve system and tight sealing promise long-lasting entertainment. Easy to Wear, Ready for Play: Our easy-to-wear body sumo zorb balls are perfect for outdoor team gaming play. With 4FT outer diameter, they're recommended for players 3.9 ft to 4.9 ft tall and weighing 110 to 330 pounds, especially suited for teenagers. Safety Meets Fun: Player security is paramount in our bumping adventures. Featuring integrated PVC soft handles that are ergonomically designed, our zorb balls offer enhanced safety from within. The widened adjustable shoulder straps effectively alleviates shoulder pressure, securing players tightly inside