Oche oche oche Olympic: Tube size 50x100mm, na 3mm ọkpụrụkpụ, dị nnọọ inogide na kwụsiri ike, ọkachamara mgbatị eji imewe. N'oge a na-emepụta ihe, a na-eme ya nke ọkọlọtọ 3-layers ike mkpuchi. ọkọlọtọ elu-densened oche ụfụfụ. Ọ ga-ewe gị mmetụta ọzụzụ ọhụrụ n'oge mgbatị ahụ.