Based on this product's specifications, here are some alternatives and similar models
Cushion/ring set Poly 203710-03 headphone/headset accessory
Summary description:
The Poly 203710-03 cushion/ring set is designed for enhanced comfort and durability. This accessory is compatible with Poly headsets, providing a perfect fit and improved sound isolation. The soft material ensures a comfortable wearing experience, making it ideal for long hours of use. Upgrade your headset with this essential accessory for better performance and comfort.