Explore watery worlds with this snorkel mask with gopro compatible mountr available in blue black or pinkr choice of two sizes sm or lxlr compatible with your own gopror full face design for more natural breathing while swimmingr 180 degree views through anti fog and shatterproof polycarbonate windowr silicone face skirt for a comfortable watertight sealr dry top system allows limited water entry through top of snorkelr please refer to full details for si