The skirt of the mask adopts double-layer anti-leakage design, and the skirt is made of soft liquid silicone, which is comfortable and suitable for different face shapes, allowing better experience the underwater world.Package1 * Snorkel1 * Diving MaskImportant AdviceA.Do not jump into water while wearing this mask.B.When initial use, you can rub toothpaste on the inside of both lens with your finger for around 5 minutes.C.Then wash with water, this will be helpful for preventing lenses fogging.D.After using every time, washing mask with fresh water can prolong life of mask.Diving Mask1. Fit＆ Easy-adjustable straps: well-sealed mask fits most facial shape.2. Tempered Glass Lens, durable and safety even when deep diving.3. Easy-Adjustable side buckles and silicone strap (one size fits all )4. 180° Panoramic wide view, providing perfect underwater adventure.5. Enhanced comfort