500PSI Diving Mask Anti-Fog Weight:500PSI 1oz Mask Defog and Mask Scrub Combo Pack Duck valve closure at bottom

Duck valve closure at bottom to prevent air coming out

The cuff side kit includes:

Other features include a polyurethane embossed seat area that provides a non-slip grip and abrasion protection

Thoroidal [Donut] Construction Single Shell Outer shell fabric

hydrodynamics

500PSI Diving Mask Anti-Fog Weight:500PSI 1oz Mask Defog and Mask Scrub Combo Pack Duck valve closure at bottom500PSI 1oz Mask Defog and Mask Scrub Combo Pack Includes 1 oz. Mask Defog and 1 oz. Mask Scrub For masks with glass lenses only. Do not use on anti reflective coatings. One application can last at least three dives in one day. 500PSI 2oz Mask Defog Bottle Includes 2 oz. Mask Defog Toothpaste consistency makes it the most effective defog One application can last at least three dives in one day. Wet or dry application. Cleans your mask each time you use