Specification:Category: Full-dry diving maskLens Material: PCMask: SiliconeFrame: PCHead Band: Waterproof strapWeight: 580gFunction: Free breathing、 Wider!#!amp!*!amp;Clear vision、 Strong anti-fog.Fearture:1.Full Face Design with Snorkel、Breath smoothly through your nose and mouth;2.Clear Mask、With 180 Degree wide Vision;3.PC plastic Frame、Durable Construction;4.Food-Grade Liquid Silicone Inner Skirt and Straps;