MEDIUM & DIMENSIONS Skid-resistant rubber backing with a digitally printed polyester top Low-profile (3/16" in) feature allows most doors to glide over the product easily. Large (46 inches x 66 inches) : ideal for offices, living rooms, playrooms and covered porches Runner (25 inches x 60 inches): great for kitchen, bath and hallway spaces Small (23 inches x 36 inches): perfect for utility spots -- in an entry, at the kitchen sink, under pet bowls or in front of a standing desk for extra motivation