Custom designed, multi-cell layered, premium padded, water resistant exterior material. Crushed velveteen inner lining. Ergonomically styled to accommodate instruments securely with maximum protection. Oversized padded backpack straps with metal on metal attachments for supreme security. Large music book pocket on front of bag, second discreet pocket on rear of bag. Specially designed side mounted padded carry handle. Unique custom styled rubber zip pull tags for smooth operational access.