Promate Ocean Owl Scuba Dive Mask - MK160 Color:Clear The 5mm thickness provides excellent

The 5mm thickness provides excellent insulation

4 3/8" Blade

Upper and lower stabilizers help transfer energy from foot pocket to the blade

Quick release rubber straps that wrap securely around the leg for easy reach

Promate Ocean Owl Scuba Dive Mask - MK160 Color:Clear The 5mm thickness provides excellent*Ideal for larger faces face seal size W4 5 8 * H4 *Extra wide and long lens offers incredible field of view *Oversized skirt for comfort *Quick Release Swivel Buckle allowing easy removal of strap and inclinations in various angles *Crystal, liquid silicone injected skirt and strap *Double edge comfort seal *Low volume *Tempered glass *Made in Thailand