Experience enhanced breathing comfort with these mint-infused air freshening beads designed for masks and filtered air spaces. Each pack contains 400 Blue menthol crush balls that release a refreshing mint aroma when activated. These versatile beads are perfectly sized for use in workout masks and high-altitude training equipment, helping to create a more pleasant breathing experience during intense activities. The large-sized beads are easy to handle and position where needed. Whether you're hitting the gym, training at elevation, or simply looking to enhance your filtered air spaces, these mint-infused beads offer a practical solution. The generous 400-piece quantity ensures a long-lasting supply for multiple uses. Note: Follow proper usage guidelines and replace beads as needed to maintain optimal freshness.