IngTas ransel TPU anti banyusampurna kanggo olahraga banyu lan salju kayata kano, jet ski, hiking, snowmobiling, fishing, prahu lan pantai. Gunakake tas ransel sing awet iki kanggo saben dina mlaku-mlaku, mendaki utawa numpak sepedha kanggo njaga unsur-unsur kasebut lan tetep garing.
Kanggo nggedhekake kinerja anti banyu saka materi TPU, proses Manufaktur kritis. Sinau luwih lengkap babagan beda kinerja antarane welding RF lan jahitan tradisional.(https://www.sealockoutdoor.com/news/rf-welding-vs-stitching-which-manufacturing-method-creates-truly-waterproof-gear.html)