Amazon has Case-Mate Waterproof Floating Phone Case w/ Crossbody Lanyard (Sand Dollar) for $11.19. Shipping is free w/ Prime or on $35+.
Product Description from Amazon
- IP68 Certified Waterproof Protection: Our 3.3 feet/1 meter IP68 certified professional floating waterproof phone pouch is perfect for swimming pools, the beach, kayaking, fishing, surfing, sailing, skiing, boating, snorkeling, tubing, rafting, showering, sauna, and other water park activities; It is also great for storing your ID; This waterproof pouch will keep your phone fully functional and 100% protected from water, making it one of the best cruise, vacation, and travel essentials/accessories to have (Best for Phone Screen Sizes Up to 6.7 Inches)
- Precise Design & Sensitive Touch: The Case-Mate waterproof case has an innovative design for easy access to side buttons; It’s made with high-quality soft TPU material and has a clear window design on the front for a delicate touch and quick response; This makes it easy to see videos and check your email
- Fully Protective: This phone pouch comes with a detachable lanyard that can be worn around your neck or crossbody to easily access your phone or ID, allowing you to enjoy your adventures to the fullest; The secure lock mechanism allows you to firmly lock and unlock the phone pouch, keeping it completely sealed underwater
- Underwater Photography: Take pictures anywhere, anytime! The transparent material allows for direct and proper access to the touch screen and camera; Sensitive touch allows you to use your phone as an underwater camera, capturing sharp and clear photos and videos without removing it from the waterproof phone bag
- Package contents: 1 unit of Case-Mate Waterproof Phone Pouch Floating Case – Grey / Black, (1) Adjustable Crossbody Strap, and 1-Year Warranty