Cosmos &Acirc; Black Color bluetooth handsfree headset HARD EVA Case - Clamshell/MESH Style with Zipper Enclosure, Inner Pocket, and Durable Exterior Made of Supreme Quality, Durable EVA Crush Resistant, Anti-Shock, Weather Resistant Material. Uniquely Designed to Custom Fit Your small electronic devices(such as: iPod Shuffle, Earphones, Memory Cards, USB Flash Drive and lens filter). Simply zip it up and toss it into your purse, briefcase or luggage for easy travel. Cable management system keeps earbuds wrapped up and tangle-free. Diameter:68mm inside,60mm outside,High:35mm