Amazon.com: Replacement Heaphone Ear Pads Cushions for Sennheiser HD4.50BT HD4.50BTNC HD4.40BT,Headset Earpads for Sennheiser with Durable Leather and Comfortable Sponge-Black Color : Electronics
1pair Earpads Ear Pad Cover Cushion For Sennheiser Hd4.50bt Hd4.50btnc Hd4.40bt 95af - Protective Sleeve - AliExpress
Defean Replacement HD4.50BT, HD4.50BTNC, HD4.40BT Memory Ear Pads Cushion Compatible with Sennheiser HD 4.50BT, HD 4.50BTNC, HD 4.40BT Bluetooth Headphones - Walmart.com
Amazon.com: defean Ear Pads Cushion Replacement, Earpads Compatible with Sennheiser HD 4.50BT, HD 4.50, HD 4.50BTNC, HD 4.50SE, HD 4.40BT, HD 4.30G, HD 4.20S, HD 458BT, HD 450, HD 450BT, HD 400S,
Amazon.com: HD4.50BT Ear Pads, Replacement Ear Cushions Protein Leather Memory Foam Earpads for Sennheiser HD4.50BT HD4.50BTNC HD4.40BT HD 4.50BT 4.50BTNC 4.40BT Bluetooth Headphones - Black : Electronics