1、Diving mask is made of tempered glass, safe to use, reduce the opportunity that lens crushed caused by the water pressure, reduce the harm to human body, safety and explosion-proof 2、Lightweight and convenient to carry 3、The wide lens provides a wide range of views 4、Use adjustable buckle, humanized design, convenient to quickly adjust the size of head circumference 5、Great accessories for you Description: It provides better comfort and high quality of the mask. Strap with adjustable buckles for quick and easy adjustment. Ideal for swimming, diving, snorkeling or other underwater activities. Features: 1. The wide lens provides a wide range of views. 2. Lightweight and convenient to carry. 3. Use adjustable buckle, humanized design, convenient to quickly adjust the size of head circumference. 4. Diving mask is made of tempered glass, safe to use, reduce the opportunity that lens crushed caused by the water pressure, reduce the harm to human body, safety and explosion-proof. 5. Great accessories for you. Specifications: Material: PC + PVC + Tempered Glass Color: Black, Blue, Green, Yellow (optional) Package Weight: approx. 275g Size: approx. 16.5 x 9.5cm / 6.49" x 3.74" Suitable: For Adult Package Included: 1 x diving mask