★Features: Brand New Size: small(dia. 13mm)， medium(dia. 14mm)， large(dia. 16mm) Foam Diameter: Approx.18mm(Note: Three foams are the same size， and it is bigger than the small and the medium earmuffs， please make sure you don't mind this problem before you bid this item.) Suitable for: Plantronics legend PRO PRO + PRO HD Voyager headset series.Package Includes ● 1 x Transparent earmuffs Set (Large+Medium+Small)● 3 x Black washers● 3 x Headphone sponge foams