Your mask is one of the most important pieces of equipment in your dive gear bag. A broken lens or cracked buckle can ruin a day of diving. Don't let that happen to you; protect your mask with a Mask Box. Atomic Aquatics Exclusive Low Profile Hard Plastic Travel Case Protects your Mask in the Dive Bag and takes up only Half-the-Space of Common Mask Boxes. Mask Box is made from Durable Hard Plastic has Secure Lid and Fits Atomic Aquatic Dive Masks.