... entrance, strings, harness, zipper, logo printing, matress...OEM is welcome!Q: What is TPU - Thermoplastic Urethane?A: TPU's full name: ( ... Thermoplastic Elastomer Urethane Copolymer) is a new non-toxic materials, The wide application of products ... to hydrolysis-Better resistance to low temperature-Better mycete-proofQ: How much time can you stay inside? (for water walking balls)A ...