Compatibility: only for iPhone 15 Pro Max/14 Pro Max; please remove any phone case before placing phone in inner tray Perfect Fit: precise cutouts and easy-press buttons allow you to press the volume buttons effortlessly to ensure the full functionality of your iPhone Underwater Touch Sensitivity: touch-sensitivity is enabled both on land and 0-10 ft (0-3 m) underwater; use the volume button to take pictures when at a depth of more than 10 ft (3 m) to capture pixel-perfect pictures Designed to Float: buoyant design with sponge airbag prevents phone from sinking and getting lost SGS-certified and IPX8 waterproof, tested to remain dry at depths up to 100 feet (30 meters); ideal for beach outings, swimming, snorkeling, deep diving, and a must-have accessory for cruise ship vacations ESR Waterproof Phone Pouch for iPhone 15 Pro Max /14 Pro Max, Underwater Touch Sensitivity, IPX8 Floating Waterproof Cellphone Case with Lanyard, Dry Bag for Snorkeling, Black, 2 Pack