A cushion sleeve that protects a bundle of cables secured to a support structure by stainless steel strapping. The cushion sleeve includes a top, a bottom, a first end, and a second end. The cushion sleeve includes a body and sidewalls extending from the body. The cushion sleeve also includes a barbed tongue extending from the first end or the second end of the cushion sleeve and slots located at the opposite end of the cushion sleeve. When installing the cushion sleeve, the barbed tongue is inserted through one of the slots and pulled until the cushion sleeve is tight around the cable bundle.