Material description: silicone liquid integrated molding process is adopted to effectively prevent water leakage, automatic adjustment buckle; liquid silicone headband and mask; toughened glass lens Product information: Diving mirror weight: 215g diving mirror size: 16.5 x 8.8 x 7cm Product : comfortable soft silicone material, , , no smell. The side buckle can be folded without occupying space(for teenagers over 15 years old) Colour:blue Material:Silica gel Package Contents: 1 * Diving mask Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.