The Ear sleeves compresses and conform a comfortable seal in the ear, for efficient isolation of external sound and improved music performance. The center hole shaft is around 3.0mm (0.11") diameter for Shure SE earphones, but can be stretched to 3.5-4mm (max) for larger earbuds
The foam ear sleeves can be reused over time and are washable (in soap water). Use the ear sleeves with In-ear earphones, headsets, ear pieces etc
Replacement Black Foam sleeves Tapered, washable, durable Comfortable fit and snug acoustic seal 5 Pairs included Compatible with SE Earphones