Protect your mouthguard with the light weight and durable sisu case made from antimicrobial material and armed with a built in ventilation system sisu case inhibits growth of bacteria during storage the case provides extra storage for personal items and is equipped with a carabiner handle for easy carrying sisu case is perfect for aero max and junior guards which are sold separatelyguard sold separatelycolor blackmeasurements inches 3 18 w x 1 18 h x 4 58 l