Running Waterproof Test: Before using the pouch with phone, please carry out a test. Place a paper towel inside, lock the pouch and submerge it for 30 mins Perfect Size and Submersible: The pouch fits phone up to 8.3 inches. Compared with a small-size pouch, our large pouch with enough space will allow you to operate on the phone more freely Wider Lanyard: The pouch comes with a lanyard with 0.55 inches/14 mm in width that provides more comfort to neck and more secure to phone Touchscreen Friendly & Clear Material: Perfect for taking photos, texting and using apps Running Waterproof Test: Before using the pouch with phone, please carry out a test. Place a paper towel inside, lock the pouch and submerge it for 30 mins