Description: Tempered Glass Anti Fog Lens: This swim mask chooses the clear thickened tempered glass to withstand deep water pressure for all types of diving or swimming. lens provides a clearer view underwater. Anti fog: Anti fog treated lenses mean you'll have clear underwater experience without blurring or distortion. Provides better visibility underwater. Nose Cover: swimming goggles with nose cover, which is needed to compensate for increasing pressure as swimming, snorkeling or diving. Also it is helpful for those do not know stop breathing by nose underwater. Perfect for snorkeling and recreational swimming. Soft Silicone: comfortable seal skirt and strap adopt soft silicone, which are made to shape of your face comfortable fit and watertight seal. No discomfort or leak. Easy head strap adjustment: Mask for men and women. The straps of scuba diving mask can be adjusted. Specification: Material: Silicone, Tempered Glass Size Chart: Diving Mask: 15.5cmx13.5cm/6.10inchx5.31inch Snorkel: 40cm/15.75inch Package Includes: 1 Diving Mask 1 Snorkel