Flexible Use for Swimming and Surfing Adjustable shoulder straps with a user friendly detachable buckle allow quick fitment and easy removal, making it suitable for surfing and versatile swimming activities with ease. Waterproof and Safe IPX7 waterproof zipper plus precision sealing technology keeps contents safe while the transparent phone case enables touchscreen use in water without compromising safety. Durable Buoyancy and Reliability Thickened, durable material provides reliable water sports gear, designed to maintain buoyancy and offer functional safety during extended use in open waters. Versatile Watersports Companion Ideal for snorkeling, surfing, and open water swims, this buoy adapts to multiple water activities and offers reliable support and portability for your aquatic exploration. Use scenarios Open water training swims where buoyancy support and easy access to a touchscreen phone case are beneficial. Snorkeling trips that require a safe, floating accessory to carry essentials and keep devices protected. Surf sessions that benefit from quick on off adjustments and dependable buoyancy during paddling and breaks. Key attributes Function: adjustable shoulder straps with detachable buckle for fast fit and removal Compatibility: waterproof phone case with touchscreen capability Size: adjustable design for flexible fit Material: thickened, durable construction for lasting buoyancy Performance: reliable buoyancy and open water safety across multiple activities