Practical tempered lens, provides best protection for your eyes. Wide view with larger lens. Provides best comfort with soft silicon mask frame and snorkel mouth piece. Ideal for swimming, diving, snorkeling or other underwater activities. Features: Bright color and fine workmanship, comfortable to wear. Highly transparent tempered , so that the vision is more open and clear. Easily adjusted to a comfortable position. Imported silicone has a high degree of sealing and comfort. The middle of the headstrap was double and prevented slided designed. Quick Rlease Buckles: Simplified removal of mask, or easy swaping of mask strap. Practical tempered lens, provides best protection for your eyes. Wide view with larger lens. Provides best comfort with soft silicon mask frame and snorkel mouth piece. Ideal for swimming, diving, snorkeling or other underwater activities. Specifications: Material: PU tube + Silicone + Tempered lens Tube length: 400mm / 15.7in Package size: 500 * 220 * 140mm / 19.7 * 8.7 * 5.5in Package weight: 453g / 1.00lb Package List: 1 * Dive Mask 1 * Breathing Tube