Nws yog ua los ntawm silica gel, nrog tshwj xeeb khoov qhib thiab txav buckle, uas yog ib qho yooj yim rau nruab thiab haum rau siv nyob rau hauv ntau qhov chaw.
Streamlined anti-slip concave-convex tsim tuaj yeem tiv thaiv cov khoom los ntawm kev nplawm thiab ntog, dej txaws mus rau hauv cov ntaub qhwv los tiv thaiv, thiab tuaj yeem ntws dej sai thiab ua kom qhuav.
