Diving Mask. Features:  - High Waterproof Performance, Innovatively Designed Diving Mask, Offers a Unique Diving Experience  to Users, Allows Them to Shoot Wonderful Underwater Scenes. - Made of Shock Proof Tempered Glass and Comfortable Super-soft Silicon. -Tempered Glass Lenses Adopt Anti-fog Treatment for Clear Underwater Vision, Which Are Also  High-impact and Shatter-resistant, Safety for Diving and Snorkeling. - High Quality Liquid Silicone Skirt and Strap, Non-toxic, Corrosion Resistant of Salt Water, No Harmful  Substance, Soft and Comfortable for Flexible Fit.  - Comfortable Design Structure, and Easy to Clean  - Snorkel or Scuba Dive with Your Camera on This Scuba Mask. Perfect Addition for Working Underwater Undersea/swimming/diving/surfing Specifications: Material: Glass, ABS, Silica Suitable For: GoPro Hero 5 / 4 / 3+ / 3/ 2 / 1, for SJCAM SJ4000 SJ5000, for Dazzne P2, for Xiaomi Yi  Action Cameras, Etc  Package Includes: 1 X diving Mask  1 X Gopro Knob Screw . We are an international seller, your order will be shipped from abroad so please allow the necessary time of minimum 14 working days for delivery right now depending on where you ship to, due to ongoing delays in postal deliveries globally.