Seattle Sports E-merse Aqua-Lock Fanny Pack Hands free toting, great for beach or boat The e-merse slideclamp is conveniently hidden behind a velcro-over-flap. A clear window offers great visual access to your gear. Not intended for diving, this case will offer you great surface water and sand protection. All our E-merses feature quick, easytouse slidelock seal and an additional Ziplocstyle closure, for double the protection.