The Guardian Miramar Snorkeling Mask features a tempered glass lens, liquid silicone skirt, and quick-disconnect strap. It comes packed in an exclusive carry bag with patented snorkel loop holder made from material using recycled water bottles.• Liquid silicone skirt and strap• Quick-disconnect buckle• Tempered glass lens• Carry bag made of eco-friendly nylon material from recycled water bottles Quick-disconnect buckle for easy on and off Carry bag is made of material using recycled water bottles | Guardian Adult Miramar Mask