Sanitary shoe covers feature a 2½" wide tacky strip on the sole keeps you from slipping and sliding. Made of strong, abrasion-resistant spunbond polypropylene. The full elastic top stretches so you can slip them on or off easily. Universal size fit shoe sizes 5-12. X-Large size fits size 5-15. Supplied as 300/case in 3 Dispensers of 100.