3 pairs Black 50mm Headphone Earphone Ear Pad earpad Foam Cover & 3 Pairs Green 17mm Earbuds Diameter: 3 pairs 50mm (black foam), 3 pairs 17mm (green foam) 50mm Earpads are individually seal packed in pairs of 2 (see picture) Durable and soft, high elasticity foam enhance sound quality,Noise isolation Good for replacing your worn-out or lost ear pads