About this item AFTER SALES SERVICE:As long as you are our customers,since the day you buy snorkel set. We will provide 24-hour uninterrupted service. We sincerelly believe we will bring the customers the most satisfied buying experience. ANTI FOGGING AND NO LEAKING: Greatever snorkeling set use the most stable dry floating valve design,and the flexible breath tube is effortless to breath and drain,the diving mask is made of tempered galss lenses which can prevent strong ultraviolet rays,and…