Feature 1This snorkeling set for adults comes with one-piece face mask and fully adjustable head straps that will fit virtually any face shape. 2The ribbed design provides extra support and a water-tight seal, perfect for swimming, diving, snorkeling or other underwater activities. 3Tempered glass is strong and enduring, meanwhile anti-shock and shatterproof, keep your swimming safe when submerged. 4The tube can be bent 180, you can breathe freely in the water. Sand dose not enter into the breath tube and your mouth. 5With 180 view large viewing area, you'll find the underwater world is so beautiful and amazing. Features: This snorkeling set for adults comes with one-piece face mask and fully adjustable head straps that will fit virtually any face shape. The ribbed design provides extra support and a water-tight seal, perfect for swimming, diving, snorkeling or other underwater activities. Tempered glass is strong and enduring, meanwhile anti-shock and shatterproof, keep your swimming safe when submerged. The tube can be bent 180, you can breathe freely in the water. Sand dose not enter into the breath tube and your mouth. With 180 view large viewing area, you'll find the underwater world is so beautiful and amazing. Specification: Condition: Brand New Material: tempered glass + silicone + PVC Color: Black Size: divingmask front:15.8*8.5cm / 6.2*3.3in; divingmask back:12.5*11.6cm / 4.9*4.6in tube length: 42.5cm / 16.7in Weight: Approx. 415g Applicable people: adults Application: swimming, snorkeling Package List: 1 * Diving Mask 1 * Breath Tube