This white and green snorkeling mask offers a comfortable fit and a design that expands your field of vision. - Color: White & Green - Size: S/M Thank you for looking. I purchased this new on Amazon for around 2400 yen. It has been stored at home without being used. The size is S/M for adults. A GoPro can also be attached! No price reductions, please m(__)m Please purchase directly (^^) Snorkel mask, freely breathable, diving mask, full-face type, anti-fog design, 180° ultra-wide angle, GoPro compatible, for children, diving mask, underwater goggles, easy to put on and take off, unisex, with storage bag, for beginners (M/L)