Highlights - 1.High-quality Material, Endless Fun - Dive into endless bumping fun with VEVOR 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. 2.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 rec