This is a rubber mat with holes for stairs, sold by Komeri. It's ideal for preventing slips and removing dirt on outdoor stairs like those at entrances and apartments, and is also useful in winter for ice and snow. Product Information: Product Name: Rubber Mat with Holes for Stairs Main Uses: Entrances, apartment stairs, winter slip prevention Care: Easy to wash with water Material: 100% recycled rubber Size: Approximately 91cm wide x 30cm deep, 1.1cm thick Seller: Nicomeri Co., Ltd. (Komeri's private brand) There are 13 mats in total, sold as a set! Thank you for viewing.