Many use self-adhesive or peel-and-stick backings (including TPU/TPR adhesive layers). Several listings describe them as reusable or repositionable, and some specifically say they can be removed without leaving sticky residue.
Some packs include extras to help cover a full staircase—examples given are a steel rod/keel and a roll of double-sided clear tape. Other sets simply include a roll of tape with the treads.
Pack sizes in these listings commonly include either 14 treads or 15 treads, and some descriptions explicitly state the set provides full stair coverage for a standard staircase.
Treads are offered in rectangular and runner shapes, with some options featuring a bullnose wrap-around edge (bullnose lip). Surface patterns and low or flat pile styles are commonly shown.
Pile heights shown include low pile (less than 0.5") and flat-pile constructions. Descriptions note a soft, plush, or comfortable underfoot feel while emphasizing wear resistance.