Aqua Lung Magellan Adult Swim Mask with Soft Purge for Effortless Equalization - One-Size-Fits-Most Adult mask - One-size-fits-most; Hypoallergenic silicone face skirt for ultimate comfort Pro-Glide pinch-&-pull buckle system for easy adjustments Easy Equalization nose pocket with patented Soft Purge for improved comfort and effortless purging and equalization Patented Soft Purge/EZ-Equalize Technology and Channeled Skirt Design that directs bubbles away from viewing area Two-year manufacturer's warranty by Aqua Lung - Lens dimensions: 2-3/4"W x 3"L. Weighs 9oz