It's a CUSHY case cover, and it just wants to give you and your instrument a hug.
The new and improved CUSHY© Deluxe Carry-All™ Backpack Case Covers are now available to fit over violin and viola, shaped and oblong cases! Our top product designers teamed up with leading backpack manufacturers to bring you a quality product that optimizes comfort, protection, and durability. It shouldn’t be a mystery why "CUSHY" is an appropriate name for these bodacious guardians of your precious cargo. They, like a forcefield of cushy goodness, repel the forces of nature that seek to destroy your instrument and wear out your case. All the while, it offers you a warm and soft embrace, making your commute comfortable and hands-free. However, here’s a few names we did NOT give to The CUSHY© and why: