Made of Supreme Quality, Long-Lasting EVA Crush Resistant, Anti-Shock, Weather Resistant Material,Good for iPod Shuffle, Charging Cable, Earphones, Memory Cards, USB Flash Drive, lens filter, Keys and Coins,Mesh Style with Zipper Enclosure, Inner Pocket secures item from movement, soft cloth lined interior to safeguard your earphones and Hard Shell Exterior,Lightweight and good size for handhold, it can also be hang on a back bag with a Carabiner,Internal size - Lenth: 4 inches, Width: 2.75 inches, Thickness: 1 inches