Aquapac 'Classic' Waterproof Phone Cases Polyurethane All Aquapac cases were redesigned to use polyurethane instead of PVC Polyurethane is 100% recyclable and more environmentally-friendly Can withstand temperatures from -40 F to 122 F Thinner than PVC, making it easier to operate controls The Large Whanganui Case has Class 5 water protection, AquaPac's highest, meaning it is waterproof and submersible to depths greater than 12 feet