These cases feature a 1.5 inch mahogany plywood case covered in durable ampfet covering to hold up to the rigors of frequent travel plus heavy-duty recessed handles and casters on all models for easy transport. The interior features a plush lined 1 inch floating foam interior designed to secure the instrument and dampen all shock to the case. The cases are a universal fit-all design that accommodates 90% of all instruments; custom designs are also available to meet specific needs.