AirPods Pro use custom silicone ear-tip, basically non-repairable | AppleInsider
Custom Tips for universal In-ear monitors
Earbud Ear Tips: Quickly Find Which Are the Best for You
The AirPods Pro's Silicone Ear Tips Are Custom Made And Won't Be Easy To Replace | Ubergizmo
Extra Small - Earphones Plus Brand Replacement Earphone Tips Custom fit Assortment: Memory Foam Earbuds, Triple Flange Ear Tips, and Standard Replacement Ear Cushions