Features: High quality sound insulation effect: The sound insulation cotton specially design for h7a model headphone significantly improves the noise reduction performances of the earphones. Comfortable fit: The precisely crafted sponge pad ensures a perfect fit with the earphones, providing a comfortable wearing experience. Easy to replace: With a simple installation design, the headphone sponge pad can be easily replaced without the need for professional tools. High density material: Using high-quality and high-density sound-absorbing cotton, effectively blocking external noise and creating a peaceful listen environment. Strong durability: The selection of high-quality materials ensures the wear resistance and durability of the sponge pad during frequent use, and is not easily deformed. Specifications: Material: sponge Color: black Size: Length 11cm/4.33inch Applicable Model: for h7a model Headphone Package Includes: 1 Pair Replacement Sponge Pad note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.