Two official-size courts are installed. In order for players of different teams topractice at ease using the respective courts, a special curtain that has soundinsulation performance and is designed to prevent shocks in one side frombeing transmitted to the other side is used as the partition between the courts.In playing handball, pine resin is used for slip resistance, making it difficult topractice in general gymnasiums. This is one of the few training fields whereplayers can always practice using pine resin.