Superior Waterproof Protection for Beach, Boat, Travel & More E-Merse GoPack Yes, we went there. A submersible waterproof backpack. Using our E-Merse technology, we've created a light-weight, drawstring backpack. Perfect for securing your valuables while paddling, jogging in the rain, or commuting through town. E-Merse Waterproof Cases protect your electronics in all your aquatic adventures. Built with tough, PVC-Free polyurethane and featuring a quick, easy to use double closure system, E-Merse cases provide maximum submersible waterproof protection*. E-Merse cases feature a slim, low profile, SoftTouch textured bar provides a sturdy and comfortable handheld grip, without the bulk. With streamlined lash points and a reliable breakaway lanyard, you can trust E-Merse anytime, whether you're paddling a river, sailing a bay, hiking a trail, or working the yard.