Most listings list a standard stair tread size of 28 inches long by 9 inches wide.
Across the listings the carpet surface is made from 100% polypropylene fabric.
They are designed with adhesive or silicone non‑slip backing and are described as requiring no tools for installation.
Care instructions list spot or wipe clean. Product details also describe the treads as stain‑proof and water‑repellent to make cleaning easier.
They are marketed to help prevent slipping and to protect hardwood stairs from scuffs and scratches caused by footwear or pet claws.