The updated SKB-30 Dreadnought acoustic guitar case is made from molded ABS and has indestructable latches and TSA-approved lock. The over-molded handle is comfortable and perfectly balanced. Fits Yamaha APX and Ibanez AES Series, and all standard classical guitars.. The updated SKB-30 Dreadnought acoustic guitar case is made from molded ABS and has indestructable latches and TSA-approved lock. The over-molded handle is comfortable and perfectly balanced. Fits Yamaha APX and Ibanez AES Series, and all standard classical guitars.