New 16++ Pro Tec Electric Guitar Gig Bag. Zipper seems to be made of a hard plastic, but is awesome bag, just what i needed this is my second protec cf234dbl double electric guitar gig bag. It lives up to the name protec, i got it strapped. Electric guitar gig bag that you can trust to securely protect your electric guitar. Protec bullet bags electric guitar gig bag black backpack straps.