The Oakley Large Metal Sunglass Vault is a sunglass case designed to hold up as well as it looks. The sleek outer finish slides easily into a bag or pocket, without snagging.Lined with soft fleece. Virtually crushproof. Sleek finish,so it slides into a bag or pocket without snagging. Stays closed well with a spring-action hinge to keep your sunglasses from escaping and mingling with your knife and keys in your backpack. Large size fits most Oakley frames.