Veritas Memory Foam Earphone Tips Foam Tips (Fits 2.5mm-3.5mm Diameter Nozzles, Light Grey, 4 Pairs, Medium) Memory Foam eartips for optimal comfort Superior noise isolation Internal elastic barrel for secure attachment fits 2.5mm-3.5mm nozzles. For larger nozzles, please see the Veritas 4mm-5.5mm size foam tips. Available in multiple colors and sizes (search Veritas Foam Tips) Height: (10.5mm), Base Diameter S/M/L (10.5mm, 12mm, 13.5mm)