“FusionX aerogel pendants consist of a 3mm pure aerogel core that is fused inside a hand wound helix silver casing [in 8 colors]. The aerogel-filled helix casing is sealed inside the precision cut, strong borosilicate clear glass casing, then the complete aerogel assembly is hermetically sealed inside silver-over-titanium end caps for added strength and long lasting, waterproof durability.”

This is apparently serious.