... preference. Water walking ball sealed in high temperature. Q: What is TPU - Thermoplastic Urethane?A: TPU's full name: (Thermoplastic ... -Better resistance to low temperature-Better mycete-proof Q: How much time can you stay inside? (for water walking balls ... rings, entrance, strings, harness, zipper, logo printing, matress...OEM is welcome! 1. Custom Designs available for different shape, size, colour ...