100% MASK FIT GUARANTEE to ensure you have the best possible diving experience with our products! FEATURES AN ULTRA SOFT SILICONE SKIRT made from the highest quality silicone to ensure one of the best fitting masks you have ever had. 100% SATISFACTION GUARANTEE we are confident that after trying our mask you will agree that its one of the most convent ways to use your GoPro Camera on your next scuba diving or snorkeling adventures!