Check out this Affinity Bands collection of officially licensed USPS logo products that includes phone cases, watch bands and Apple AirPod case covers.
An Affinity Bands press release says “the USPS collection gets a stamp of approval with both current and throwback logos in eye-catching designs for every season, through sun, rain, sleet and snow. With more than 500,000 employees nationally, this partnership brings more style and customization to the standard USPS uniform.”
See the collection at https://affinitybands.com/collections/usps-collection.