Features: Made of high quality memory foam sheepskin material for hours of comfortable listening. Soft comfortable cover for good noise-blocking. Easy to install and use.Replace your worn-out earpad cushions. Optional proteinleather or flannelette material earpads for you to choose Compatible withSennheiser HD650 / HD600 / HD580 / HD565 / HD545 Headphone Specifications: Item Type: Ear Pads / Headband Material: Memory Foam/ Flannelette Suitable for: Sennheiser HD660S 650 600 545 565 580 Headphones Headset Earpad Size approx 110x88x25mm/4.33x3.46x0.98in Headband Length：approx 18.3cm/7.2in Color: As Pictures Optional：A : Flannelette Earpads/ B: ProteinLeather/ C：Four Section Head Beam Pad/D : Two Section Head Beam Pad Package Includes: 1 Pair Ear Pads or 1PC Headband note: No retail package. Transition: 1cm=10mm=0.39inch Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!