Product Name: Tempered Glass Lens Low Volume 4 Window Dive Mask Model NO.: MK-701 Condition: New Customized: Customized Certification: CE, ISO9001 Color: Black Gender: Unisex Size: Free Size Usage: Diving Material: Silicone Type: Diving Mask Trademark: WHALES Transport Package: Hard Case, Blister Specification: 21*12*12.5cm Origin: China HS Code: 9004909000 Product Description Tempered Glass Lens Low Volume 4 Window Dive MaskThis is a new model diving mask, the special design is the lens and frame. Two side of frame are clear, thencanexpandyourview. So we call it 4 windows. And it can match with theextraoptical lens.Meteral of mask:Lens: Tempered glassSkirt: SiliconeStrap: Siliconeframe: PCFeature:High quality silicone skirt and strapDesigned to fit a wide range of facial profile with comfortProduct NameSnorkel GlassAgeAdultType2 lensApplicationSnorkelingMeterialLens: Tempered glassSkirt: liquidSiliconeStrap: liquidSiliconeframe: PCFeatureOne piece of lens for wide viweHigh quality silicone skirt and strapDesigned to fit a wide rang of facial profile with comfortMOQIn factory's logo: 500pcs/model, 100pcs/colorIn client's logo:1000pcs/model, 200pcs/colorInformation of our factoryFDACertificateforAmericaMarket.QualityManagementofSystemCertificateofApproval:ISO9001:2008.HaveMoreThan13YearsofExportingExperiencetoEuropeandAmericaSGSApprovalforTheFactoryHighQualityandVeryCompetitivePriceSupplyforBigClientsCECertificateforEuropeMarket.