Champion Polycarbonate Alto Saxophone CaseChampion Lightweight Polycarbonate case for Alto Saxophone. Weighing only 1. 4kg, this lightweight yet tough case features a polycarbonate outer shell and plush foam padded and shaped interior to give your alto saxophone the ultimate protection it deserves. With a shaped and padded body support chamber and a specially designed internal compartment complete with Velcro securing strap for storing your detached sax neck you can rest assured that your