Specifically designed for Bose QuietComfort Earbuds II, please check the model number before buying. One-piece shell design, not easy to fall,smooth opening. This case is made of ECO-friendly soft silicone material and with anti-shock function,when your earphone accidentally falls,prevent scratches and damage,provide better protection. Comes with a durable metal carabiner for easy portability and can be easily hung on backpacks,handbags,belts,not easy to lose.Thickened design for lasting protection. The surface is smooth like baby skin and soft to the touch,protecting your Bose QuietComfort Earbuds II case from dust, dirt, oil and fingerprints. Washable for long lasting protection.