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 SubFrame dive masks.