Heavy Duty Guitar Boxes – Side Loading provide reinforced corrugated protection for electric and acoustic guitars during shipping, storage, moving, and transport. The heavy-duty ECT-44 single-wall construction offers increased resistance to crushing and stacking pressure, while the side-loading design makes instruments easier to insert and remove. Available in two tall sizes designed to accommodate most electric and acoustic guitars. For added protection, use with bubble wrap, foam, or other cushioning materials.