We followed the instructions carefully to prevent leakage from happening. The first thing I watched with the VR was a free download music video by KHALID. Also, I ordered the aqua and was disappointed it was more of a mint green than blue. Therefore, the North Safety catalog ( by Honeywell ) used to, maybe still does, list different muffs for different kinds of situations. At which point they are still wearable, but you get this black stuff all over from the peeling leatherette. I would still say these are still meh and not worth the price. I fastened the strap around the ankle, and the coarse glitter instantly started irritating and scratching the skin on my ankles as well. good quality good fit and certainly makes you sweat my daughter bought it for when shes running and stays in place she is really happy with product But it should for the price and how big the case is to equivalent models. They are exactly as described, and I would absolutely recommend them if you have small ears and need replacement covers for your earbuds