Flippers Size: 37 yards - 41 yards election M， 42 码 ~ 47 yards election L， (clap Remarks about the yardage)

Lens: 4MM high-strength tempered glass (with auto glass like) safety clear， precise degree of international CE certification.

Mask: The Toshiba food-grade liquid silicone， comfortable and soft to the skin allergy， no aging， use a long time because of the number of years it will not invade the sea foam aging silicone mask cracks than the average to be thick， but.... suitable for deep sea diving.

Headband: Liquid high elastic silicone， freely adjustable wide headband greater stability.

Packing: OPP bag if you need other packaging (plastic boxes， plastic packaging) additional money to buy.

Flippers: The total length of 50cm， webbed feet wide area can provide you with a powerful force， so you do not have to rely on paddling hands to generate power， making his hands to engage in other work can be freed