Since 2010, We have been making stairs more beautiful with our Nautical Stair Risers.A Stair Riser Is the Vertical Space Between Stairs. It May Be Open, Solid or Better Yet Have A Nautical Design.Stair Riser Features:Measures 48"x6.5"- We Make Custom Sizes To Fit Your StairsPremium Quality Solid White 'Virgin' PVC with UV-InhibitorsBeautiful Coastal Accent For Your Entryway StairsPrecision Routed For Crisp Professional Finish & BeautyMade In The USAWe ShipYou will likely need a custom length & width, and layout depending upon your stringer spacing. Just send us a photo of the stairs, along with measurements you need to info@islandcreekdesigns.comPlease provide your shipping zip code and we will calculate your shipping