.Try the StayHear Max replacement eartips designed for improved in-ear stability and optimal audio performance for the Bose Sport Earbuds and Bose QuietComfort earbuds.
3 cm D Case Cover only: 23 g Case Cover with QuietComfort® Earbuds II: 96 g.4 cm W x 3.Store and protect your QuietComfort Earbuds II with convenience, style and portability.