And probably sent by a Chinese vendor doing a little brushing.

https://en.wikipedia.org/wiki/Brushing_(e-commerce)

Anti-blister silicone heel pad

[https://braggear.com/products/anti-blister-silicone-heel-pads](https://braggear.com/products/anti-blister-silicone-heel-pads)

Probably a brushing scam. https://www.foolproofme.org/articles/360-how-brushing-scams-can-swipe-you-under-the-carpet

Delivered to our office from China addressed to the company but no one ordered it. Made from a flexible plastic compound.