... ' preference. Water walking ball sealed in high temperature. Q: What is TPU - Thermoplastic Urethane?A: TPU's full name: (Thermoplastic ... be replaced by a product of PVC. -Resistant to solvent, oil and grease.-Weatherproof-Excellent strength, break strength and ... , entrance, strings, harness, zipper, logo printing, matress...OEM is welcome! 1. Custom Designs available for different shape, size, colour ...