Features: The compact and protective body can be twisted arbitrarily but not easily deformed or broken. The protective for case is waterproof, anti-drop, anti-scratch, dust-proof and durable. The silicone material is flexible enough to be easily removed from the headset charging for case. Lightweight, ultra-thin, flexible and shockproof, it effectively protects the earphone charging box from scratches and collisions. The for shell can be washed with water, and it can be kept in a brand new state by simply cleaning it. A variety of colors to choose from. Specifications: Material:Silica Gel Size: As Picture Shown Color:Black/Red/Dark Green/Dark Blue for Boult Audio AirBass PowerBuds Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks for your understandings. Package includes: 1x Earphone Protective Sleeve