Promate Super Sonic 2-lense Snorkeling Mask/mk268:
*Newly designed easy adjust buckle system with push button adjustment and all direction swivel functions.
*Extra wide and long lenses provide wider peripheral view and downward vision.
*Ideal for medium faces - face seal size W4 1/2 * H3 1/4.
*Crystal, liquid silicone injected skirt and strap.
*Double edge comfort seal.
*Ultra Low volume. Tempered glasses. Made in Thailand.