QC25 / QC15 / QC2 Memory Foam Replacement Earpad for Bose QuietComfort 25 / 15 / 2 Headphone - Ultra Soft Protein Leather Leatherette Ear Cushion We Offer FREE sample for product review purpose. Ask for more details Designed for: Bose QuietComfort 25 / 15 / 2 Headphone (tested with all 3 models) Inner foam: Memory Foam for Comfort and Noise-blocking Surface: Protein Leather - Leatherette (used by headphone manufacturers) 30 Days Money Back Guarantee